Open source language analysis tool suite: tokenizer, stemmer/lemmatizer, named entity recognizer, chunker/segmenter, morphosyntactic tagger, syntactic tagger, corpus processer, morphological tagger, semantic tagger, analyzer, Word Sense Disambiguator.
JIRS is a Passage Retrieval system specially suited for Question Answering. It could be adapted to others languages very easily. ask (Written Language): Information Retrieval Applications Question/Answering Environment: OS-independent Access: GPLv3