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Cistern is the principal repository of tools and resources released by the Center for Information and Language Processing ([http://www.cis.uni-muenchen.de/ CIS]) of the University of Munich ([http://www.uni-muenchen.de/ LMU]).

The CIS conducts research on linguistically-informed statistical natural language processing ([http://en.wikipedia.org/wiki/Natural_language_processing NLP]) including problems such as part-of-speech tagging, parsing and sentiment analysis.

== CIS Tools ===

• [CoSimRank CoSimRank] - a fast and accurate graph based similarity measure
• [HMMLA HMMLA] - an implementation of Hidden Markov Models with Latent Annotations
• [marmot MarMoT] - a fast and accurate morphological tagger
• [marlin MarLiN] - a fast word clustering tool
• [Ocrocis] - a project manager for the OCR toolkit Ocropy by Thomas Breuel
• [SFST SFST] - a finite state transducer toolkit
• [SMOR SMOR] - a German computational morphology

== CIS Resources ===

• [CoreferenceChains CoreferenceChains] - automatically extracted coreference chains from English Gigaword data
• [Antonyms Antonyms] - list of word-antonym pairs
• [robusttagging Robust Tagging] - resources for robust morphological tagging