Bug#749416: RFP: libhdt-it -- Library for RDF HDT file manipulation

2015-12-01 Thread Kjetil Kjernsmo
Hi all!

Just an update on this. Development has moved to github:
 https://github.com/rdfhdt/hdt-cpp
It is the hdt-lib part of that code that is most interesting to get 
packaged, but as of now it relies on a patched version of another library, 
but I have opened an issue upstream to deal with that. There are more 
developers around it now too.

Anyway, it would still be really nice to get this into Debian!

Cheers,

Kjetil



Bug#749416: RFP: libhdt-it -- Library for RDF HDT file manipulation

2015-02-09 Thread Kjetil Kjernsmo
Hi!

I had a second look at this package, as I am soon going to code something 
around it, and I realized that I might not have understood fully what the 
different components do.

HDT-It seems to be a GUI tool to explore the data. While interesting, I 
don't think it is the most interesting, nor urgent part of the package, 
the most urgent is the underlying library, which seems to be stuff 
downloadable from here:
https://code.google.com/p/hdt-it/downloads/detail?name=hdt-lib-rc1-src.tgz

The HDT-It is something that can be done later once the libraries are in 
good shape.

Best,

Kjetil


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Bug#749416: RFP: libhdt-it -- Library for RDF HDT file manipulation

2014-05-26 Thread Kjetil Kjernsmo
Package: wnpp
Severity: wishlist

* Package name: libhdt-it
  Version : 1.0rc1
* URL : http://www.rdfhdt.org/
* License : LGPL
  Programming Lang: C++
  Description : Library for RDF HDT file manipulation


RDF HDT (Header, Dictionary, Triples) is a compact data structure and
binary serialization format for RDF that keeps big datasets compressed
to save space while maintaining search and browse operations.

This is achieved by organizing and representing the RDF graph in terms
of three main components: Header, Dictionary and Triples
structure. The Header includes extensible metadata required to
describe the RDF data set and its organization. The Dictionary gathers
all the terms present in the RDF graph in a manner that permits rapid
search and high levels of compression. The Triples component
represents the structure of relationships of the RDF graph in a
compressed form.

It has previously been discussed whether HDT makes sense as just
another serialization format, in which performance is a relatively
minor issue, or to use it to store RDF data and query it directly.

Recent work by Ruben Verborgh et al on http://linkeddatafragments.org/
makes a convincing case for the latter, in which case the C++
libraries would be excellent to have in Debian.

Cheers,

Kjetil


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