I am looking for any free libraries for Named Entity Recognition in c# or any other .net language.
A:
There are a couple of Java implementations at universities (like this one), but no commercial version I am aware of.
The code for university versions is available, and with some effort could probably be ported to .NET.
LBushkin
2010-04-06 19:31:01
This is limited to Person/Organization and Place only. I need one with more types. Code structure is too complex for me to do a manual conversion. Thanks for your answer.
Taz
2010-04-07 08:25:18
A:
If you just need to extract entities from text, you could try Open Calais from Thomson Reuters. It's free for up to 40K api calls/per day, and has worked well for me in the past. (I've been using it 2x/day for ~6 months without a hitch.)
They provide wrappers in various languages (for making api calls) and you can get the response in a few different formats as well.
Here's the link:
(I'm afraid I only know of NER libraries in Java and Python.)
jamesi
2010-04-06 19:47:57
+1
A:
SharpNLP, a port of the Java based OpenNLP, supports named entity tagging.
dmcer
2010-04-07 00:39:36
Look at SharpNLP's name finder. I thought Antelope had one as well. But, after looking at the package again, I'm actually not so sure. At least for now, I'm removing Antelope from the answer.
dmcer
2010-04-08 01:06:38