Hi, All.
I've implemented some sample code using NSLinguisticTagger class and i've found
some weird behavior.
I'me using the following code to analyze a simple english phrase:
NSRange textrange = NSMakeRange(0, [phrase length]);
[tagger enumerateTagsInRange:textrange
scheme:NSLinguisticTagSchemeLexicalClass
options:0
usingBlock:
^(NSString *wordType,
NSRange wordRange,
NSRange sentenceRange, BOOL *stop)
{
if(wordType == NSLinguisticTagNoun)
{
// Show tag
}
if(wordType == NSLinguisticTagPronoun)
{
// Show tag
}
if(wordType ==
NSLinguisticTagDeterminer)
{
// Show tag
}
…etc for each NSLinguisticSomething
constant.
}];
If I analyze the phrase: "I am a woman" I got the correct result :
I --> pronoun
am --> verb
A --> determiner
woman --> noun
but if i analyze the phrase: "I am a man" I got the result:
I --> otherword
am --> otherword
a --> otherword
man --> otherword.
I've initialized the NSLinguisticTagger class as follow:
NSArray *tagScheme = [NSArray
arrayWithObjects:NSLinguisticTagSchemeLexicalClass,
NSLinguisticTagSchemeNameType,
NSLinguisticTagSchemeLanguage, nil];
tagger = [[NSLinguisticTagger alloc] initWithTagSchemes:tagScheme
options:0];
So where is my mistake? Why I get an error if I try to analyze a simple phrase
like "I am a man"?
The behavior is the same on the device (iOS 5.0.1) and on the simulator. I'm
using MaOS X 10.7.2 with Xcode 4.2.
Thanks for any answer.
Luca.
On Nov 14, 2011, at 5:56 PM, Douglas Davidson wrote:
> There is also some documentation available in the Foundation release notes
> for Lion
> <http://developer.apple.com/library/mac/#releasenotes/Cocoa/Foundation.html>
> and the NSLinguisticTagger class reference
> <http://developer.apple.com/library/mac/#documentation/Cocoa/Reference/NSLinguisticTagger_Class/Reference/Reference.html>.
> If you have specific questions, you can send them to the list.
>
> Douglas Davidson
>
> On Nov 14, 2011, at 7:02 AM, Luca Ciciriello wrote:
>
>> Yes, indeed!!!
>>
>> On Nov 14, 2011, at 2:56 PM, Eric E. Dolecki wrote:
>>
>>> Just started watching this video - it's awesome.
>>>
>>> - Eric
>>>
>>> On Mon, Nov 14, 2011 at 3:32 AM, Luca Ciciriello
>>> <luca_cicirie...@hotmail.com> wrote:
>>>
>>> Thanks Vincent, that should solve my problems.
>>> Luca.
>>>
>>>> Subject: Re: Natural language
>>>> From: mailingli...@satsumac.com
>>>> Date: Sun, 13 Nov 2011 21:37:01 +0100
>>>> CC: cocoa-dev@lists.apple.com
>>>> To: luca_cicirie...@hotmail.com
>>>>
>>>> The "Advanced Text Processing" session from WWDC '11 should be of help.
>>>> https://developer.apple.com/videos/wwdc/2011/
>>>>
>>>> On Nov 13, 2011, at 4:31 PM, Luca Ciciriello wrote:
>>>>
>>>>> Hi All.
>>>>> Any one knows how to use the class NSLinguisticTagger in order to
>>>>> decompose a phrase in its grammar components (name, adjective, verb,
>>>>> etc.)?
>>>>>
>>>>> Thanks for any answer.
>>>>>
>>>>> Luca
>>>
>>> _______________________________________________
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>>
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