I think it seems weird that normal joins need to go through option. The option variant is to allow filters in the join function. Wouldn't a collector variant allow you to do the same, and would be function3 ? I know that option reads more functionally...
Am 12.09.2014 14:24 schrieb "Aljoscha Krettek" <[email protected]>: > > As already mentioned this is not possible because of type erasure. We > can only have one join variant that takes a Function2. > > On Fri, Sep 12, 2014 at 12:34 PM, Stephan Ewen <[email protected]> wrote: > > It would be nice to have a join variant that directly returns the value > > rathern than an option. Why not have both (they are wrapped as flatJoins > > anyway below, right?) > > > > On Fri, Sep 12, 2014 at 11:50 AM, Fabian Hueske <[email protected]> wrote: > > > >> Sweet! I'm lovin' this :-) > >> > >> 2014-09-12 11:46 GMT+02:00 Aljoscha Krettek <[email protected]>: > >> > >> > Also, you can use CaseClasses directly as the type for CSV input. So > >> > instead of reading it as tuples and then having a mapper that maps to > >> > your case classes you can use: > >> > > >> > env.readCsv[Edge](...) > >> > > >> > On Fri, Sep 12, 2014 at 11:43 AM, Aljoscha Krettek < [email protected]> > >> > wrote: > >> > > I added support for specifying keys by name for CaseClasses. Check out > >> > > the PageRank and TriangleEnumeration examples to see it in action. > >> > > > >> > > @Kostas: I think you could use them for the TPC-H examples. > >> > > > >> > > On Fri, Sep 12, 2014 at 7:23 AM, Aljoscha Krettek < [email protected] > >> > > >> > wrote: > >> > >> Yes, that would allow list comprehensions. It would be possible to > >> > >> have the Collection signature for join (and coGroup), i.e.: > >> > >> > >> > >> apply[R]((T, O) => TraversableOnce[O]): DataSet[O] > >> > >> > >> > >> (T and O are the left and right input type, R is result type) > >> > >> > >> > >> Then you can return collections and still return an option, as in: > >> > >> > >> > >> a.join(b).where(0).equalTo(0) { (l, r) => if (r > ...) Some(l) else > >> > None } > >> > >> > >> > >> Because there is an implicit conversion from Options to a Collection. > >> > >> This will always wrap the return value in a List with only one value. > >> > >> I'm not sure we want the overhead here. I'm also not sure whether we > >> > >> want the overhead of always having to use an Option even though the > >> > >> join always returns a value. > >> > >> > >> > >> What do you think? > >> > >> > >> > >> On Thu, Sep 11, 2014 at 11:22 PM, Fabian Hueske < [email protected]> > >> > wrote: > >> > >>> Hmmm, tricky question... > >> > >>> How about the Option for Join as this is a tuple-wise operation and > >> the > >> > >>> Collection for Cogroup which is group-wise? > >> > >>> Could we in that case use list comprehensions in Cogroup functions? > >> > >>> > >> > >>> Or is that too much mixing? > >> > >>> > >> > >>> 2014-09-11 23:00 GMT+02:00 Aljoscha Krettek <[email protected] >: > >> > >>> > >> > >>>> I didn't look at the example either. > >> > >>>> > >> > >>>> Addings collections is easy, it's just that we can either have > >> > >>>> Collections or the Option, not both. > >> > >>>> > >> > >>>> For the coding style I followed this: > >> > >>>> > >> > https://cwiki.apache.org/confluence/display/SPARK/Spark+Code+Style+Guide > >> , > >> > >>>> which itself is based on this: http://docs.scala-lang.org/style/ . > >> It > >> > >>>> is different from the Java Code Guidelines we have in place, yes. > >> > >>>> > >> > >>>> On Thu, Sep 11, 2014 at 10:10 PM, Fabian Hueske < [email protected] > >> > > >> > >>>> wrote: > >> > >>>> > I haven't looked at the LineRank example in detail, but if you > >> > think that > >> > >>>> > it adds something new to the examples collection, we can certainly > >> > port > >> > >>>> it > >> > >>>> > also to Java. > >> > >>>> > I think the Option and Collector return types are sufficient right > >> > now > >> > >>>> but > >> > >>>> > if Collections are easy to add, go for it. ;-) > >> > >>>> > > >> > >>>> > Great that the Scala primitives are working! Also thanks for > >> adding > >> > >>>> > genSequence and adapting my examples. > >> > >>>> > Btw. does the codestyle not apply for Scala files or do we have a > >> > >>>> different > >> > >>>> > there? > >> > >>>> > > >> > >>>> > 2014-09-11 17:55 GMT+02:00 Aljoscha Krettek < [email protected] > >> >: > >> > >>>> > > >> > >>>> >> What about the LineRank example? We had that in Scala but never > >> > had a > >> > >>>> >> Java Example. > >> > >>>> >> > >> > >>>> >> On Thu, Sep 11, 2014 at 5:51 PM, Aljoscha Krettek < > >> > [email protected]> > >> > >>>> >> wrote: > >> > >>>> >> > Yes, I like that. For the ITCases I always just copied the Java > >> > >>>> ITCase. > >> > >>>> >> > > >> > >>>> >> > The only examples that are missing now are LinearRegression and > >> > the > >> > >>>> >> > relational stuff. > >> > >>>> >> > > >> > >>>> >> > On Thu, Sep 11, 2014 at 5:48 PM, Fabian Hueske < > >> > [email protected]> > >> > >>>> >> wrote: > >> > >>>> >> >> I just removed the old CountEdgeDegrees example. > >> > >>>> >> >> That was a preprocessing step for the TriangleEnumeration, and > >> > is now > >> > >>>> >> part > >> > >>>> >> >> of the new TriangleEnumerationOpt example. > >> > >>>> >> >> So I guess, we don't need to port that one. As I said before, > >> > I'd > >> > >>>> >> prefer to > >> > >>>> >> >> keep Java and Scala examples in sync. > >> > >>>> >> >> > >> > >>>> >> >> Cheers, Fabian > >> > >>>> >> >> > >> > >>>> >> >> 2014-09-11 17:40 GMT+02:00 Aljoscha Krettek < > >> > [email protected]>: > >> > >>>> >> >> > >> > >>>> >> >>> I added the PageRank example, thanks again fabian. :D > >> > >>>> >> >>> > >> > >>>> >> >>> Regarding the other stuff: > >> > >>>> >> >>> - There is a comment in DataSet.scala about including > >> > >>>> >> >>> org.apache.flink.api.scala._ because of the TypeInformation. > >> > >>>> >> >>> - I added generateSequence to ExecutionEnvironment. > >> > >>>> >> >>> - It is possible to use Scala Primitives in Array, I noticed > >> > it > >> > >>>> while > >> > >>>> >> >>> writing the tests, you probably had an older version of the > >> > code. > >> > >>>> >> >>> - Yes, using List and other Interfaces is not possible, this > >> > is > >> > >>>> also > >> > >>>> >> >>> a restriction in the Java API. > >> > >>>> >> >>> > >> > >>>> >> >>> What do you think about the interface of join and coGroup? > >> > Right > >> > >>>> now, > >> > >>>> >> >>> you can either use a lambda that returns an Option or the > >> > lambda > >> > >>>> with > >> > >>>> >> >>> the Collector. Originally I wanted to have also have a lambda > >> > that > >> > >>>> >> >>> returns a Collection, but due to type erasure this has the > >> > same type > >> > >>>> >> >>> as the lambda with the Option so I couldn't use it. There is > >> an > >> > >>>> >> >>> implicit conversion from Option to a Collection, so I could > >> > change > >> > >>>> it > >> > >>>> >> >>> without breaking the examples we have now. What do you think? > >> > >>>> >> >>> > >> > >>>> >> >>> So far we have ported: WordCount, KMeans, > >> ConnectedComponents, > >> > >>>> >> >>> WebLogAnalysis, TransitiveClosureNaive, > >> > >>>> TriangleEnumerationNaive/Opt, > >> > >>>> >> >>> PageRank > >> > >>>> >> >>> > >> > >>>> >> >>> These are the examples people called dibs on: > >> > >>>> >> >>> - BatchGradientDescent (Márton) (Should be a port of > >> > >>>> LinearRegression > >> > >>>> >> >>> Example from Java) > >> > >>>> >> >>> - ComputeEdgeDegrees (Hermann) > >> > >>>> >> >>> > >> > >>>> >> >>> Those are unclaimed (if I'm not mistaken): > >> > >>>> >> >>> - The relational Stuff > >> > >>>> >> >>> > >> > >>>> >> >>> On Thu, Sep 11, 2014 at 3:06 PM, Stephan Ewen < > >> > [email protected]> > >> > >>>> >> wrote: > >> > >>>> >> >>> > +1 for removing RelationQuery > >> > >>>> >> >>> > > >> > >>>> >> >>> > On Thu, Sep 11, 2014 at 3:04 PM, Aljoscha Krettek < > >> > >>>> >> [email protected]> > >> > >>>> >> >>> > wrote: > >> > >>>> >> >>> > > >> > >>>> >> >>> >> By the way, what was called BatchGradientDescent in the > >> > Scala > >> > >>>> >> examples > >> > >>>> >> >>> >> should be replaced by a port of the LinearRegression > >> > Example from > >> > >>>> >> >>> >> Java. I had them as two separate examples earlier. > >> > >>>> >> >>> >> > >> > >>>> >> >>> >> What about RelationalQuery and TPC-H-Q3. Any thoughts > >> about > >> > >>>> removing > >> > >>>> >> >>> >> RelationalQuery? > >> > >>>> >> >>> >> > >> > >>>> >> >>> >> On Thu, Sep 11, 2014 at 11:43 AM, Aljoscha Krettek < > >> > >>>> >> [email protected] > >> > >>>> >> >>> > > >> > >>>> >> >>> >> wrote: > >> > >>>> >> >>> >> > I added the Triangle Enumeration Examples, thanks > >> Fabian. > >> > >>>> >> >>> >> > > >> > >>>> >> >>> >> > So far we have ported: WordCount, KMeans, > >> > ConnectedComponents, > >> > >>>> >> >>> >> > WebLogAnalysis, TransitiveClosureNaive, > >> > >>>> >> TriangleEnumerationNaive/Opt > >> > >>>> >> >>> >> > > >> > >>>> >> >>> >> > These are the examples people called dibs on: > >> > >>>> >> >>> >> > - PageRank (Fabian) > >> > >>>> >> >>> >> > - BatchGradientDescent (Márton) > >> > >>>> >> >>> >> > - ComputeEdgeDegrees (Hermann) > >> > >>>> >> >>> >> > > >> > >>>> >> >>> >> > Those are unclaimed (if I'm not mistaken): > >> > >>>> >> >>> >> > - The relational Stuff > >> > >>>> >> >>> >> > - LinearRegression > >> > >>>> >> >>> >> > > >> > >>>> >> >>> >> > On Wed, Sep 10, 2014 at 6:04 PM, Aljoscha Krettek < > >> > >>>> >> >>> [email protected]> > >> > >>>> >> >>> >> wrote: > >> > >>>> >> >>> >> >> Thanks, I added it. I'll keep a running list of > >> > >>>> ported/unported > >> > >>>> >> >>> >> >> examples in my mails. I'll rename the java example > >> > package to > >> > >>>> >> >>> examples > >> > >>>> >> >>> >> >> once the Scala API merge is done. > >> > >>>> >> >>> >> >> > >> > >>>> >> >>> >> >> I think the termination criterion is fine as it is. > >> Just > >> > >>>> because > >> > >>>> >> >>> Scala > >> > >>>> >> >>> >> >> enables functional programming doesn't mean it's always > >> > the > >> > >>>> best > >> > >>>> >> >>> >> >> choice. :D > >> > >>>> >> >>> >> >> > >> > >>>> >> >>> >> >> So far we have ported: WordCount, KMeans, > >> > ConnectedComponents, > >> > >>>> >> >>> >> >> WebLogAnalysis, TransitiveClosureNaive > >> > >>>> >> >>> >> >> > >> > >>>> >> >>> >> >> These are the examples people called dibs on: > >> > >>>> >> >>> >> >> - TriangleEnumration and PageRank (Fabian) > >> > >>>> >> >>> >> >> - BatchGradientDescent (Márton) > >> > >>>> >> >>> >> >> - ComputeEdgeDegrees (Hermann) > >> > >>>> >> >>> >> >> > >> > >>>> >> >>> >> >> Those are unclaimed (if I'm not mistaken): > >> > >>>> >> >>> >> >> - The relational Stuff > >> > >>>> >> >>> >> >> - LinearRegression > >> > >>>> >> >>> >> >> > >> > >>>> >> >>> >> >> Cheers, > >> > >>>> >> >>> >> >> Aljoscha > >> > >>>> >> >>> >> >> > >> > >>>> >> >>> >> >> On Wed, Sep 10, 2014 at 4:23 PM, Kostas Tzoumas < > >> > >>>> >> [email protected] > >> > >>>> >> >>> > > >> > >>>> >> >>> >> wrote: > >> > >>>> >> >>> >> >>> Transitive closure here, I also added a termination > >> > criterion > >> > >>>> >> in the > >> > >>>> >> >>> >> Java > >> > >>>> >> >>> >> >>> version: > >> > >>>> >> >>> >> > >> > >>>> https://github.com/ktzoumas/incubator-flink/tree/tc-scala-example > >> > >>>> >> >>> >> >>> > >> > >>>> >> >>> >> >>> Perhaps you can make the termination criterion in > >> Scala > >> > more > >> > >>>> >> >>> >> functional? > >> > >>>> >> >>> >> >>> > >> > >>>> >> >>> >> >>> I noticed that the examples package name is > >> > example.java but > >> > >>>> >> >>> >> examples.scala > >> > >>>> >> >>> >> >>> > >> > >>>> >> >>> >> >>> Kostas > >> > >>>> >> >>> >> >>> > >> > >>>> >> >>> >> >>> On Tue, Sep 9, 2014 at 6:12 PM, Kostas Tzoumas < > >> > >>>> >> [email protected] > >> > >>>> >> >>> > > >> > >>>> >> >>> >> wrote: > >> > >>>> >> >>> >> >>>> > >> > >>>> >> >>> >> >>>> I'll take TransitiveClosure and PiEstimation (was not > >> > on > >> > >>>> your > >> > >>>> >> >>> list). > >> > >>>> >> >>> >> >>>> > >> > >>>> >> >>> >> >>>> If nobody volunteers for the relational stuff I can > >> > take > >> > >>>> those > >> > >>>> >> as > >> > >>>> >> >>> >> well. > >> > >>>> >> >>> >> >>>> > >> > >>>> >> >>> >> >>>> How about removing the "RelationalQuery" from both > >> > Scala and > >> > >>>> >> Java? > >> > >>>> >> >>> It > >> > >>>> >> >>> >> >>>> seems to be a proper subset of TPC-H Q3. Does it add > >> > some > >> > >>>> >> teaching > >> > >>>> >> >>> >> value on > >> > >>>> >> >>> >> >>>> top of TPC-H Q3? > >> > >>>> >> >>> >> >>>> > >> > >>>> >> >>> >> >>>> Kostas > >> > >>>> >> >>> >> >>>> > >> > >>>> >> >>> >> >>>> On Tue, Sep 9, 2014 at 5:57 PM, Aljoscha Krettek < > >> > >>>> >> >>> [email protected] > >> > >>>> >> >>> >> > > >> > >>>> >> >>> >> >>>> wrote: > >> > >>>> >> >>> >> >>>>> > >> > >>>> >> >>> >> >>>>> Thanks, I added it, along with an ITCase. > >> > >>>> >> >>> >> >>>>> > >> > >>>> >> >>> >> >>>>> So far we have ported: WordCount, KMeans, > >> > >>>> ConnectedComponents, > >> > >>>> >> >>> >> >>>>> WebLogAnalysis > >> > >>>> >> >>> >> >>>>> > >> > >>>> >> >>> >> >>>>> These are the examples people called dibs on: > >> > >>>> >> >>> >> >>>>> - TriangleEnumration and PageRank (Fabian) > >> > >>>> >> >>> >> >>>>> - BatchGradientDescent (Márton) > >> > >>>> >> >>> >> >>>>> - ComputeEdgeDegrees (Hermann) > >> > >>>> >> >>> >> >>>>> > >> > >>>> >> >>> >> >>>>> Those are unclaimed (if I'm not mistaken): > >> > >>>> >> >>> >> >>>>> - TransitiveClosure > >> > >>>> >> >>> >> >>>>> - The relational Stuff > >> > >>>> >> >>> >> >>>>> - LinearRegression > >> > >>>> >> >>> >> >>>>> > >> > >>>> >> >>> >> >>>>> Cheers, > >> > >>>> >> >>> >> >>>>> Aljoscha > >> > >>>> >> >>> >> >>>>> > >> > >>>> >> >>> >> >>>>> On Tue, Sep 9, 2014 at 5:21 PM, Kostas Tzoumas < > >> > >>>> >> >>> [email protected]> > >> > >>>> >> >>> >> >>>>> wrote: > >> > >>>> >> >>> >> >>>>> > WebLog here: > >> > >>>> >> >>> >> >>>>> > > >> > >>>> >> >>> >> >>>>> > > >> > >>>> >> >>> >> > >> > >>>> >> >>> > >> > >>>> >> > >> > >>>> > >> > > >> https://github.com/ktzoumas/incubator-flink/tree/webloganalysis-example-scala > >> > >>>> >> >>> >> >>>>> > > >> > >>>> >> >>> >> >>>>> > Do you need any more done? > >> > >>>> >> >>> >> >>>>> > > >> > >>>> >> >>> >> >>>>> > On Tue, Sep 9, 2014 at 3:08 PM, Aljoscha Krettek < > >> > >>>> >> >>> >> [email protected]> > >> > >>>> >> >>> >> >>>>> > wrote: > >> > >>>> >> >>> >> >>>>> > > >> > >>>> >> >>> >> >>>>> >> I added the ConnectedComponents Example from > >> Vasia. > >> > >>>> >> >>> >> >>>>> >> > >> > >>>> >> >>> >> >>>>> >> Keep 'em coming, people. :D > >> > >>>> >> >>> >> >>>>> >> > >> > >>>> >> >>> >> >>>>> >> On Mon, Sep 8, 2014 at 6:07 PM, Fabian Hueske < > >> > >>>> >> >>> [email protected] > >> > >>>> >> >>> >> > > >> > >>>> >> >>> >> >>>>> >> wrote: > >> > >>>> >> >>> >> >>>>> >> > Alright, will do. > >> > >>>> >> >>> >> >>>>> >> > Thanks! > >> > >>>> >> >>> >> >>>>> >> > > >> > >>>> >> >>> >> >>>>> >> > 2014-09-08 17:48 GMT+02:00 Aljoscha Krettek < > >> > >>>> >> >>> >> [email protected]>: > >> > >>>> >> >>> >> >>>>> >> > > >> > >>>> >> >>> >> >>>>> >> >> Ok people, executive decision. :D > >> > >>>> >> >>> >> >>>>> >> >> > >> > >>>> >> >>> >> >>>>> >> >> Please look at KMeansData.java and > >> > KMeans.scala. I'm > >> > >>>> >> storing > >> > >>>> >> >>> >> the > >> > >>>> >> >>> >> >>>>> >> >> data > >> > >>>> >> >>> >> >>>>> >> >> in multi-dimensional object arrays and then > >> > >>>> converting > >> > >>>> >> it to > >> > >>>> >> >>> >> the > >> > >>>> >> >>> >> >>>>> >> >> required Java or Scala objects. > >> > >>>> >> >>> >> >>>>> >> >> > >> > >>>> >> >>> >> >>>>> >> >> Also, I changed isEqualTo to equalTo to make > >> it > >> > >>>> >> consistent > >> > >>>> >> >>> >> with the > >> > >>>> >> >>> >> >>>>> >> >> Java > >> > >>>> >> >>> >> >>>>> >> >> API. > >> > >>>> >> >>> >> >>>>> >> >> > >> > >>>> >> >>> >> >>>>> >> >> Regarding Join (and coGroup). There is no need > >> > for a > >> > >>>> >> >>> keyword, > >> > >>>> >> >>> >> you > >> > >>>> >> >>> >> >>>>> >> >> can > >> > >>>> >> >>> >> >>>>> >> >> just write: > >> > >>>> >> >>> >> >>>>> >> >> > >> > >>>> >> >>> >> >>>>> >> >> left.join(right).where(0).equalTo(1) { (le, > >> re) > >> > => > >> > >>>> new > >> > >>>> >> >>> >> MyResult(le, > >> > >>>> >> >>> >> >>>>> >> >> re) > >> > >>>> >> >>> >> >>>>> >> } > >> > >>>> >> >>> >> >>>>> >> >> > >> > >>>> >> >>> >> >>>>> >> >> On Mon, Sep 8, 2014 at 2:07 PM, Fabian Hueske > >> < > >> > >>>> >> >>> >> [email protected]> > >> > >>>> >> >>> >> >>>>> >> wrote: > >> > >>>> >> >>> >> >>>>> >> >> > Aside from the DataSet issue, I also found > >> an > >> > >>>> >> >>> inconsistency > >> > >>>> >> >>> >> with > >> > >>>> >> >>> >> >>>>> >> >> > the > >> > >>>> >> >>> >> >>>>> >> Java > >> > >>>> >> >>> >> >>>>> >> >> > API. In Java join is done as: > >> > >>>> >> >>> >> >>>>> >> >> > > >> > >>>> >> >>> >> >>>>> >> >> > ds1.join(ds2).where(...).equalTo(...) > >> > >>>> >> >>> >> >>>>> >> >> > > >> > >>>> >> >>> >> >>>>> >> >> > where in the current Scala this is: > >> > >>>> >> >>> >> >>>>> >> >> > > >> > >>>> >> >>> >> >>>>> >> >> > ds1.join(d2).where(...).isEqualTo(...) > >> > >>>> >> >>> >> >>>>> >> >> > > >> > >>>> >> >>> >> >>>>> >> >> > isEqualTo() should be renamed to equalTo(), > >> > IMO. > >> > >>>> >> >>> >> >>>>> >> >> > Also, join (+cross and coGroup?) lacks the > >> > with() > >> > >>>> >> method > >> > >>>> >> >>> >> because > >> > >>>> >> >>> >> >>>>> >> "with" > >> > >>>> >> >>> >> >>>>> >> >> is > >> > >>>> >> >>> >> >>>>> >> >> > a keyword in Scala. Should be offer > >> something > >> > >>>> similar > >> > >>>> >> for > >> > >>>> >> >>> >> Scala > >> > >>>> >> >>> >> >>>>> >> >> > or go > >> > >>>> >> >>> >> >>>>> >> >> with > >> > >>>> >> >>> >> >>>>> >> >> > map() on Tuple2(left, right)? > >> > >>>> >> >>> >> >>>>> >> >> > > >> > >>>> >> >>> >> >>>>> >> >> > 2014-09-08 13:51 GMT+02:00 Stephan Ewen < > >> > >>>> >> [email protected] > >> > >>>> >> >>> >: > >> > >>>> >> >>> >> >>>>> >> >> > > >> > >>>> >> >>> >> >>>>> >> >> >> Instead of Strings, Object[][] would work > >> as > >> > well. > >> > >>>> >> That > >> > >>>> >> >>> is a > >> > >>>> >> >>> >> >>>>> >> >> >> generic > >> > >>>> >> >>> >> >>>>> >> >> >> representation of a Tuple. > >> > >>>> >> >>> >> >>>>> >> >> >> > >> > >>>> >> >>> >> >>>>> >> >> >> Alternatively, they could be stored as Java > >> > or > >> > >>>> Scala > >> > >>>> >> >>> Tuples, > >> > >>>> >> >>> >> >>>>> >> >> >> with a > >> > >>>> >> >>> >> >>>>> >> >> generic > >> > >>>> >> >>> >> >>>>> >> >> >> utility method to convert between the two. > >> > >>>> >> >>> >> >>>>> >> >> >> > >> > >>>> >> >>> >> >>>>> >> >> >> On Mon, Sep 8, 2014 at 10:55 AM, Fabian > >> > Hueske > >> > >>>> >> >>> >> >>>>> >> >> >> <[email protected]> > >> > >>>> >> >>> >> >>>>> >> >> wrote: > >> > >>>> >> >>> >> >>>>> >> >> >> > >> > >>>> >> >>> >> >>>>> >> >> >> > Yeah, I ran into the same problem... > >> > >>>> >> >>> >> >>>>> >> >> >> > > >> > >>>> >> >>> >> >>>>> >> >> >> > +1 for using Strings and parsing them, > >> but > >> > >>>> using > >> > >>>> >> the > >> > >>>> >> >>> >> >>>>> >> >> >> > CSVFormat > >> > >>>> >> >>> >> >>>>> >> won't > >> > >>>> >> >>> >> >>>>> >> >> >> work > >> > >>>> >> >>> >> >>>>> >> >> >> > because this is based on a > >> FileInputFormat. > >> > >>>> >> >>> >> >>>>> >> >> >> > So we would need to parse the Strings > >> > >>>> manually... > >> > >>>> >> >>> >> >>>>> >> >> >> > > >> > >>>> >> >>> >> >>>>> >> >> >> > 2014-09-08 10:35 GMT+02:00 Aljoscha > >> Krettek > >> > >>>> >> >>> >> >>>>> >> >> >> > <[email protected]>: > >> > >>>> >> >>> >> >>>>> >> >> >> > > >> > >>>> >> >>> >> >>>>> >> >> >> > > Hi, > >> > >>>> >> >>> >> >>>>> >> >> >> > > on second thought. Maybe we should just > >> > change > >> > >>>> >> all > >> > >>>> >> >>> the > >> > >>>> >> >>> >> >>>>> >> >> >> > > example > >> > >>>> >> >>> >> >>>>> >> input > >> > >>>> >> >>> >> >>>>> >> >> >> > > data to strings and use CSV input > >> > formats in > >> > >>>> all > >> > >>>> >> the > >> > >>>> >> >>> >> >>>>> >> >> >> > > examples. > >> > >>>> >> >>> >> >>>>> >> What > >> > >>>> >> >>> >> >>>>> >> >> do > >> > >>>> >> >>> >> >>>>> >> >> >> > > you think? > >> > >>>> >> >>> >> >>>>> >> >> >> > > > >> > >>>> >> >>> >> >>>>> >> >> >> > > Cheers, > >> > >>>> >> >>> >> >>>>> >> >> >> > > Aljoscha > >> > >>>> >> >>> >> >>>>> >> >> >> > > > >> > >>>> >> >>> >> >>>>> >> >> >> > > On Mon, Sep 8, 2014 at 7:46 AM, > >> Aljoscha > >> > >>>> Krettek > >> > >>>> >> < > >> > >>>> >> >>> >> >>>>> >> >> [email protected]> > >> > >>>> >> >>> >> >>>>> >> >> >> > > wrote: > >> > >>>> >> >>> >> >>>>> >> >> >> > > > Hi, > >> > >>>> >> >>> >> >>>>> >> >> >> > > > yes it's unfortunate that the data > >> > types are > >> > >>>> >> >>> >> incompatible. > >> > >>>> >> >>> >> >>>>> >> >> >> > > > I'm > >> > >>>> >> >>> >> >>>>> >> >> afraid > >> > >>>> >> >>> >> >>>>> >> >> >> > > > you have to to what you proposed: > >> move > >> > the > >> > >>>> >> data to > >> > >>>> >> >>> a > >> > >>>> >> >>> >> >>>>> >> >> >> > > > static > >> > >>>> >> >>> >> >>>>> >> field > >> > >>>> >> >>> >> >>>>> >> >> and > >> > >>>> >> >>> >> >>>>> >> >> >> > > > convert it in the > >> > getDefaultEdgeDataSet() > >> > >>>> >> method in > >> > >>>> >> >>> >> Scala. > >> > >>>> >> >>> >> >>>>> >> >> >> > > > It's > >> > >>>> >> >>> >> >>>>> >> >> not > >> > >>>> >> >>> >> >>>>> >> >> >> > > > nice, but copying would duplicate the > >> > data > >> > >>>> and > >> > >>>> >> >>> make it > >> > >>>> >> >>> >> >>>>> >> >> >> > > > easier > >> > >>>> >> >>> >> >>>>> >> for > >> > >>>> >> >>> >> >>>>> >> >> it > >> > >>>> >> >>> >> >>>>> >> >> >> > > > to go out of sync in the Java and > >> Scala > >> > >>>> >> versions. > >> > >>>> >> >>> >> >>>>> >> >> >> > > > > >> > >>>> >> >>> >> >>>>> >> >> >> > > > What do the others think? This will > >> > probably > >> > >>>> >> occur > >> > >>>> >> >>> in > >> > >>>> >> >>> >> all > >> > >>>> >> >>> >> >>>>> >> >> >> > > > the > >> > >>>> >> >>> >> >>>>> >> >> >> examples. > >> > >>>> >> >>> >> >>>>> >> >> >> > > > > >> > >>>> >> >>> >> >>>>> >> >> >> > > > Cheers, > >> > >>>> >> >>> >> >>>>> >> >> >> > > > Aljoscha > >> > >>>> >> >>> >> >>>>> >> >> >> > > > > >> > >>>> >> >>> >> >>>>> >> >> >> > > > On Sun, Sep 7, 2014 at 10:04 PM, > >> > Vasiliki > >> > >>>> >> Kalavri > >> > >>>> >> >>> >> >>>>> >> >> >> > > > <[email protected]> wrote: > >> > >>>> >> >>> >> >>>>> >> >> >> > > >> Hey, > >> > >>>> >> >>> >> >>>>> >> >> >> > > >> > >> > >>>> >> >>> >> >>>>> >> >> >> > > >> I have ported the Connected > >> Components > >> > >>>> >> example, > >> > >>>> >> >>> but > >> > >>>> >> >>> >> I am > >> > >>>> >> >>> >> >>>>> >> >> >> > > >> not > >> > >>>> >> >>> >> >>>>> >> sure > >> > >>>> >> >>> >> >>>>> >> >> >> how > >> > >>>> >> >>> >> >>>>> >> >> >> > to > >> > >>>> >> >>> >> >>>>> >> >> >> > > >> reuse the example input data from > >> > >>>> >> java-examples. > >> > >>>> >> >>> >> >>>>> >> >> >> > > >> In the ConnectedComponentsData > >> class, > >> > the > >> > >>>> >> vertices > >> > >>>> >> >>> >> and > >> > >>>> >> >>> >> >>>>> >> >> >> > > >> edges > >> > >>>> >> >>> >> >>>>> >> data > >> > >>>> >> >>> >> >>>>> >> >> >> are > >> > >>>> >> >>> >> >>>>> >> >> >> > > >> produced by the methods > >> > >>>> >> getDefaultVertexDataSet() > >> > >>>> >> >>> >> >>>>> >> >> >> > > >> and getDefaultEdgeDataSet(), which > >> > take > >> > >>>> >> >>> >> >>>>> >> >> >> > > >> an > >> > >>>> >> org.apache.flink.api.java.ExecutionEnvironment > >> > >>>> >> >>> as > >> > >>>> >> >>> >> >>>>> >> parameter. > >> > >>>> >> >>> >> >>>>> >> >> >> > > >> > >> > >>>> >> >>> >> >>>>> >> >> >> > > >> One way is to provide public static > >> > fields > >> > >>>> >> (like > >> > >>>> >> >>> in > >> > >>>> >> >>> >> the > >> > >>>> >> >>> >> >>>>> >> >> >> WordCountData > >> > >>>> >> >>> >> >>>>> >> >> >> > > >> class), but this introduces a > >> > conversion > >> > >>>> >> >>> >> >>>>> >> >> >> > > >> from > >> > >>>> org.apache.flink.api.java.tuple.Tuple2 to > >> > >>>> >> >>> Scala > >> > >>>> >> >>> >> >>>>> >> >> >> > > >> tuple and > >> > >>>> >> >>> >> >>>>> >> >> from > >> > >>>> >> >>> >> >>>>> >> >> >> > > >> java.lang.Long to scala.Long and I > >> > guess > >> > >>>> this > >> > >>>> >> is > >> > >>>> >> >>> an > >> > >>>> >> >>> >> >>>>> >> unnecessary > >> > >>>> >> >>> >> >>>>> >> >> >> > > complexity > >> > >>>> >> >>> >> >>>>> >> >> >> > > >> for an example (?). > >> > >>>> >> >>> >> >>>>> >> >> >> > > >> Another way is, of course, to copy > >> the > >> > >>>> example > >> > >>>> >> >>> data > >> > >>>> >> >>> >> in > >> > >>>> >> >>> >> >>>>> >> >> >> > > >> the > >> > >>>> >> >>> >> >>>>> >> Scala > >> > >>>> >> >>> >> >>>>> >> >> >> > > example. > >> > >>>> >> >>> >> >>>>> >> >> >> > > >> > >> > >>>> >> >>> >> >>>>> >> >> >> > > >> Am I missing something here? > >> > >>>> >> >>> >> >>>>> >> >> >> > > >> > >> > >>>> >> >>> >> >>>>> >> >> >> > > >> Thanks! > >> > >>>> >> >>> >> >>>>> >> >> >> > > >> > >> > >>>> >> >>> >> >>>>> >> >> >> > > >> Cheers, > >> > >>>> >> >>> >> >>>>> >> >> >> > > >> V. > >> > >>>> >> >>> >> >>>>> >> >> >> > > >> > >> > >>>> >> >>> >> >>>>> >> >> >> > > >> > >> > >>>> >> >>> >> >>>>> >> >> >> > > >> On 5 September 2014 15:52, Aljoscha > >> > >>>> Krettek < > >> > >>>> >> >>> >> >>>>> >> [email protected] > >> > >>>> >> >>> >> >>>>> >> >> > > >> > >>>> >> >>> >> >>>>> >> >> >> > > wrote: > >> > >>>> >> >>> >> >>>>> >> >> >> > > >> > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> Alright, I updated my repo: > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> > >> > >>>> >> >>> >> >>>>> >> >> > >> > >>>> >> >>> >> > >> > https://github.com/aljoscha/incubator-flink/commits/scala-rework > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> This now has a working WordCount > >> > example. > >> > >>>> >> It's > >> > >>>> >> >>> >> pretty > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> much a > >> > >>>> >> >>> >> >>>>> >> >> copy > >> > >>>> >> >>> >> >>>>> >> >> >> of > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> the Java example with some fixups > >> > for the > >> > >>>> >> syntax > >> > >>>> >> >>> and > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> lambda > >> > >>>> >> >>> >> >>>>> >> >> >> > functions. > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> You'll also notice that I added the > >> > >>>> >> java-examples > >> > >>>> >> >>> >> as a > >> > >>>> >> >>> >> >>>>> >> >> dependency > >> > >>>> >> >>> >> >>>>> >> >> >> for > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> the scala-examples. I did this to > >> > reuse > >> > >>>> the > >> > >>>> >> >>> example > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> input > >> > >>>> >> >>> >> >>>>> >> data. > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> When you ported a program you can > >> do > >> > a > >> > >>>> pull > >> > >>>> >> >>> request > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> against > >> > >>>> >> >>> >> >>>>> >> my > >> > >>>> >> >>> >> >>>>> >> >> repo > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> and I will collect the examples. > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> Happy coding. :D > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> On Fri, Sep 5, 2014 at 12:19 PM, > >> > Hermann > >> > >>>> >> Gábor < > >> > >>>> >> >>> >> >>>>> >> >> >> [email protected] > >> > >>>> >> >>> >> >>>>> >> >> >> > > > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> wrote: > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> > +1 > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> > > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> > ComputeEdgeDegrees for me! > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> > > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> > > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> > On Fri, Sep 5, 2014 at 11:44 AM, > >> > Márton > >> > >>>> >> >>> Balassi < > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> [email protected]> > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> > wrote: > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> > > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> +1 > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> BatchGradientDescent for me :) > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> On Fri, Sep 5, 2014 at 11:15 AM, > >> > Kostas > >> > >>>> >> >>> Tzoumas < > >> > >>>> >> >>> >> >>>>> >> >> >> > > [email protected]> > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> wrote: > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > +1 > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > I go for WebLogAnalysis. > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > My experience with Scala > >> > consists of > >> > >>>> >> going > >> > >>>> >> >>> >> through > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > a > >> > >>>> >> >>> >> >>>>> >> >> tutorial > >> > >>>> >> >>> >> >>>>> >> >> >> so > >> > >>>> >> >>> >> >>>>> >> >> >> > > this > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> will > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > be a good stress test both for > >> > me and > >> > >>>> >> the > >> > >>>> >> >>> new > >> > >>>> >> >>> >> API > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > :-) > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > On Thu, Sep 4, 2014 at 9:09 > >> PM, > >> > >>>> Vasiliki > >> > >>>> >> >>> >> Kalavri < > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > [email protected]> > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > wrote: > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > +1 for having other people > >> > >>>> implement > >> > >>>> >> the > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > examples! > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > Connected Components and > >> > Kmeans for > >> > >>>> >> me :) > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > -V. > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > On 4 September 2014 21:03, > >> > Fabian > >> > >>>> >> Hueske < > >> > >>>> >> >>> >> >>>>> >> >> >> [email protected]> > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> wrote: > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > I go for > >> > TriangleEnumeration and > >> > >>>> >> >>> PageRank. > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > Let's also do the examples > >> > >>>> similar > >> > >>>> >> to > >> > >>>> >> >>> the > >> > >>>> >> >>> >> Java > >> > >>>> >> >>> >> >>>>> >> >> examples: > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > - running out-of-the-box > >> > without > >> > >>>> >> >>> parameters > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > - parameters for external > >> > data > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > - follow a similar code > >> > structure > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > 2014-09-04 20:56 GMT+02:00 > >> > >>>> Aljoscha > >> > >>>> >> >>> >> Krettek < > >> > >>>> >> >>> >> >>>>> >> >> >> > > [email protected] > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >: > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > > Will do, then people can > >> > >>>> reserve > >> > >>>> >> their > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > > favourite > >> > >>>> >> >>> >> >>>>> >> >> >> examples > >> > >>>> >> >>> >> >>>>> >> >> >> > > here. > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > > > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > > On Thu, Sep 4, 2014 at > >> > 8:55 PM, > >> > >>>> >> Fabian > >> > >>>> >> >>> >> Hueske > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > > < > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> [email protected]> > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > wrote: > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > > > Hi, > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > > > > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > > > I think having > >> examples > >> > >>>> >> implemented > >> > >>>> >> >>> by > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > > > different > >> > >>>> >> >>> >> >>>>> >> >> >> people > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> proved to > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > be > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > > > valuable in the past. > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > > > I'd help with two or > >> > three > >> > >>>> >> examples. > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > > > > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > > > It might be helpful if > >> > you'd > >> > >>>> >> port a > >> > >>>> >> >>> >> simple > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > > > first > >> > >>>> >> >>> >> >>>>> >> >> one > >> > >>>> >> >>> >> >>>>> >> >> >> > such > >> > >>>> >> >>> >> >>>>> >> >> >> > > as > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > WordCount. > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > > > > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > > > Fabian > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > > > > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > > > > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > > > 2014-09-04 18:47 > >> > GMT+02:00 > >> > >>>> >> Aljoscha > >> > >>>> >> >>> >> Krettek > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > > > < > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> [email protected] > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> >: > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > > > > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > > >> Hi, > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > > >> I have a working > >> > rewrite of > >> > >>>> the > >> > >>>> >> >>> Scala > >> > >>>> >> >>> >> API > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > > >> here: > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > > >> > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > >> > >>>> >> >>> >> >>>>> >> >> >> > >> > >>>> >> >>> >> > >> > https://github.com/aljoscha/incubator-flink/commits/scala-rework > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > > >> > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > > >> I'm hoping that I'll > >> > only > >> > >>>> have > >> > >>>> >> to > >> > >>>> >> >>> >> write > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > > >> the > >> > >>>> >> >>> >> >>>>> >> tests > >> > >>>> >> >>> >> >>>>> >> >> and > >> > >>>> >> >>> >> >>>>> >> >> >> > > port > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> the > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > > >> examples. Do you > >> think > >> > it > >> > >>>> makes > >> > >>>> >> >>> sense > >> > >>>> >> >>> >> to > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > > >> let > >> > >>>> >> >>> >> >>>>> >> other > >> > >>>> >> >>> >> >>>>> >> >> >> > people > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> port > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> the > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > > >> examples, so that > >> > someone > >> > >>>> else > >> > >>>> >> uses > >> > >>>> >> >>> >> it and > >> > >>>> >> >>> >> >>>>> >> maybe > >> > >>>> >> >>> >> >>>>> >> >> >> > notices > >> > >>>> >> >>> >> >>>>> >> >> >> > > some > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > quirks > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > > >> in the API? > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > > >> > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > > >> Cheers, > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > > >> Aljoscha > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > > >> > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > > > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> >> > >> > >>>> >> >>> >> >>>>> >> >> >> > > >>> > >> > >>>> >> >>> >> >>>>> >> >> >> > > > >> > >>>> >> >>> >> >>>>> >> >> >> > > >> > >>>> >> >>> >> >>>>> >> >> >> > >> > >>>> >> >>> >> >>>>> >> >> > >> > >>>> >> >>> >> >>>>> >> > >> > >>>> >> >>> >> >>>> > >> > >>>> >> >>> >> >>>> > >> > >>>> >> >>> >> >>> > >> > >>>> >> >>> >> > >> > >>>> >> >>> > >> > >>>> >> > >> > >>>> > >> > > >>
