Language Processing and Intelligent Information Systems [electronic resource] : 20th International Conference, IIS 2013, Warsaw, Poland, June 17-18, 2013. Proceedings / edited by Mieczysław A. Kłopotek, Jacek Koronacki, Małgorzata Marciniak, Agnieszka Mykowiecka, Sławomir T. Wierzchoń.

Natural Language Processing -- A Hybrid Approach for Robust Multilingual Toponym Extraction and Disambiguation -- Towards a Polish LTAG Grammar -- Incorporating Head Recognition Into a CRF Chunker -- Classification of Predicate-Argument Relations in Polish Data -- Online Service for Polish Dependency Parsing and Results Visualisation -- The Scent of Deception: Recognizing Fake Perfume Reviews in Polish -- Question Classification for Polish Question Answering -- Chinese Named Entity Recognition with Conditional Random Fields in the Light of Chinese Characteristics -- Detecting Syntactic Errors in Dependency Treebanks for Morphosyntactically Rich Languages -- A Method for the Computational Representation of Croatian Morphology -- Mapping Named Entities from NKJP Corpus to Składnica Treebank and Polish Wordnet -- Automatic Detection of Annotation Errors in Polish-Language Corpora -- Unsupervised Induction of Persian Semantic Verb Classes Based on Syntactic Information -- Translation- and Projection-Based Unsupervised Coreference Resolution for Polish -- WCCL Match - A Language for Text Annotation -- Diachronic Corpus Based Word Semantic Variation and Change Mining -- A Representation of an Old Polish Dictionary Designed for Practical Applications -- Text and Web Mining -- Related Entity Finding Using Semantic Clustering Based on Wikipedia Categories -- Locality Sensitive Hashing for Similarity Search Using MapReduce on Large Scale Data -- Stabilization of Users Profiling Processed by Metaclustering of Web Pages -- Towards a Keyword-Focused Web Crawler -- Threshold ML-KNN: Statistical Evaluation on Multiple Benchmarks -- Supervised Content Visualization of Scientific Publications: A Case Study on the ArXiv Dataset -- A Calculus for Personalized Pagerank -- Machine Learning and Search -- Finding the Number of Clusters on the Basis of Eigenvectors -- Study on the Estimation of the Bipartite Graph Generator Parameters -- Expected Value of the Optimization Algorithm Outcome -- Solving Travelling Salesman Problem Using Egyptian Vulture Optimization Algorithm - A New Approach.