Department of Computer Science
Ben-Gurion University of the Negev
Natural Language Processing Project
Knowledge Center for Processing Hebrew
We are hosting ISCOL 2013 - The Israeli meeting for NLP and CL in BGU June 26th, register today!
Subjects
- EasyFirst Syntactic Dependency Parsing
- Morphological Disambiguator for Hebrew
- Medical Hebrew NLP
- Hebrew Corpus
- English Medical NLP
- Named Entity Recognition in Hebrew
- Hebrew Vocalization (Nikud)
- Name Transliteration (English → Hebrew)
- Topic Modeling in Hebrew
- Hebrew OCR with Tesseract
- Recognizing Paraphrases in Hebrew
Text Summarization
Natural Language Generation (NLG)
SAUT Semantic Authoring Tool
Bliss Lexicon
NLG Applications for Augmentative and Alternative
Communications (AAC)
Comparing
dbparser and minipar by Vassilii Khachaturov
splitSVM - fast polynomial kernel classifier for NLP.
Dependency trees in Hebrew
People
Publications
- Raphael Cohen, Michael Elhadad and Ohad Birk.Analysis of free online physician advice services PLOS ONE (2013), paper.
- Raphael Cohen, Michael Elhadad and Noemie Elhadad. Redundancy in electronic health record corpora: analysis, impact on text mining performance and mitigation strategies BMC bioinformatics (2013), paper
- Raphael Cohen and Michael Elhadad. Syntactic Dependency Parsers for Biomedical-NLP, AMIA Symposium 2012 (pdf).
- Raphael Cohen, Yoav Goldberg and Michael Elhadad. Domain Adaptation of a Dependency Parser with a Class-Class Selectional Preference Model ACL 2012 - Student Workshop. Google Best Paper Award. (paper)
- Shay Zakov, Yoav Goldberg, Michael Elhadad and Michal Ziv-Ukelson,
Rich Parameterization improves RNA Structure Prediction.
Journal of Computational Biology. November 2011: 1525-1542.(paper)
- Yoav Goldberg and Michael Elhadad, Joint Hebrew Segmentation and Parsing using a PCFGLA Lattice Parser.
ACL-2011 (Short Paper) (pdf)
- Raphael Cohen, Avitan Gefen, Michael Elhadad and Ohad S Birk, CSI-OMIM - Clinical Synopsis Search in OMIM. BMC Bioinformatics 2011, 12:65, BioMed Central.
- Yoav Goldberg and Michael Elhadad, An Efficient Algorithm for Easy-First Non-Directional Dependency Parsing, NAACL 2010, Los Angeles,
(pdf).
- Yoav Goldberg and Michael Elhadad, Easy-First Dependency Parsing of Modern Hebrew, SPMRL 2010, an NAACL/HLT workshop on Statistical Parsing of Morphologically Rich Languages, Los Angeles,
(pdf).
- Yoav Goldberg and Michael Elhadad, Hebrew Dependency Parsing: Initial Results, IWPT-2009, Paris,
(pdf).
- Michael Elhadad, David Gabay and Yael Netzer, Automatic Evaluation of
Search Ontologies in the Entertainment Domain using Natural Language
Processing. (pdf),
To appear in Applied Semantic Web Technology, Taylor and Francis
Publishers, 2010, Ed. Vijayan Sugumaran and Jon Gulla.
-
Yoav Goldberg and Michael Elhadad, On the Role of Lexical Features
in Sequence Labeling, EMNLP 2009, Singapore,
(pdf).
-
Yael Netzer, David Gabay, Yoav Goldberg and Michael Elhadad, Gaiku : Generating Haiku withWord Associations Norms, in NAACL Workshop on Computational Approaches to Linguistic Creativity, 2009
(pdf).
-
Yael Netzer, David Gabay, Meni Adler, Yoav Goldberg and Michael Elhadad, Ontology Evaluation Through Text Classification, ENQOIR 2009, Suzhou, China,
(pdf).
-
Yoav Goldberg, Reut Tsarfaty, Meni Adler and Michael Elhadad, Enhancing Unlexicalized Parsing Performance
using aWide Coverage Lexicon, Fuzzy Tag-set Mapping,
and EM-HMM-based Lexical Probabilities, EACL 2009, Athens, Greece,
(pdf).
-
David Gabay, Ziv Ben-Eliahu and Michael Elhadad, Using
Wikipedia Links
to Construct Word Segmentation Corpora, in Proceedings of the
WIKIAI-08 Workshop, AAAI-2008 Conference, Chicago,
(pdf).
-
Meni Adler, Yoav Goldberg, David Gabay and Michael Elhadad, Unsupervised Lexicon-Based Resolution of Unknown Words for Full Morphological Analysis, ACL 2008,
(pdf).
-
Yoav Goldberg, Meni Adler and Michael Elhadad, EM Can Find Pretty Good HMM POS-Taggers (When Given a Good Start), ACL 2008,
(pdf).
-
Yoav Goldberg and Reut Tsarfaty, A Single Generative Model for Joint Morphological Segmentation and Syntactic Parsing , ACL 2008,
(pdf).
-
Yoav Goldberg and Michael Elhadad, splitSVM: Fast, Space-Efficient, non-Heuristic, Polynomial Kernel Computation for NLP Applications, ACL 2008 (short paper),
(pdf, code).
-
Meni Adler, Yael Netzer, David Gabay, Yoav Goldberg and Michael Elhadad, Tagging a Hebrew Corpus: The Case of Participles, LREC 2008,
(pdf).
-
Yoav Goldberg and Reut Tsarfaty, Word-Based or Morpheme-Based? Annotation Strategies for Modern Hebrew Clitics, LREC 2008,
(pdf).
-
Yael Netzer, Meni Adler and Michael Elhadad, Word Prediction in Hebrew – Preliminary and Surprising Results, ISAAC 2008,
(pdf).
-
Yoav Goldberg and Michael Elhadad, Identification of Transliterated Foreign Words in Hebrew Script , CICLING 2008,
(pdf).
-
Yael Netzer, Meni Adler, David Gabay, and Michael Elhadad, Can you tag the modal? You should, in Proceedings of the ACL 2007 Workshop on Semitic Languages Processing, Prague, Czech Republic, July 2007,
(8 pages, 89K, pdf).
-
Yoav Goldberg and Michael Elhadad, SVM Model Tampering and Anchored Learning: A Case Study in Hebrew NP Chunking, in Proceedings ACL 2007, Prague, Czech Republic, July 2007,
(8 pages, 178K, pdf).
-
Yael Netzer , Ofer Biller, Michael Elhadad and Yoav Goldberg, Generating Language from BlissSymbols Using Semantic Authoring, in Proceedings of 12th Biennial International Conference of the International Society for Augmentative and Alternative Communication, Dusseldorf, Germany, August 2006,
(doc, system)
-
Meni Adler and Michael Elhadad, An Unsupervised Morpheme-Based HMM for Hebrew Morphological Disambiguation, in Proceedings of COLING-ACL 2006, Sydney, Australia, July 2006,
(8 pages, 140K, pdf)
-
Yoav Goldberg, Meni Adler, and Michael Elhadad, Noun Phrase Chunking in Hebrew Influence of Lexical and Morphological Features, in Proceedings of COLING-ACL 2006, Sydney, Australia, July 2006,
(8 pages, 207K, pdf)
-
Yael Netzer From Symbols to Language, Israeli Annual of ISAAC (Israeli Chapter of the International Society for Augmentative and Alternative Communication, June 2006,
(in Hebrew, doc)
-
Yael Netzer and Michael Elhadad, Using Semantic Authoring for Blissymbols Communication Boards, in Proceedings of Human Language Technology Conference of the North American Chapter of the Association of Computational Linguistics, (Poster Session), New York, USA, June 4-9, 2006,
(paper,poster)
-
Ofer Biller, Michael Elhadad and Yael Netzer, Interactive Authoring of Logical Forms for Multilingual Generation, in Proceedings of the European Workshop on Natural Language Generation, Aberdeen, 2005,
(8 pages, 92K, pdf)
- Michael Elhadad, Yael Netzer, Regina Barzilay, Kathleen McKeown
Ordering Circumstantials for Multi-document Summarization
Presented at BISFAI'01, June 2001,
(15 pages, 210K pdf)
- Hongyan Jing, Yael Dahan Netzer, Michael Elhadad, Kathleen McKeown
Integrating a Large-Scale, Reusable Lexicon with a Natural Language Generator
Proceedings of the 1st International Conference on Natural Language Generation, Mitzpe Ramon, 2000, pp.209--216
(8 pages, 73K
postscript gzipped, pdf)
- Yael Dahan-Netzer & Michael Elhadad
Bilingual Hebrew-English Generation of Possessives and Partitives:
Raising the Input Abstraction Level
Proceedings of the 37th meeting of the ACL, Maryland, 1999, pp.144--151
69K
postscript gzipped,
dvi,
pdf))
- R. Barzilay, K. McKeown and M. Elhadad,
Information Fusion in the Context of Multi-Document Summarization
in Proc. of the 37th Association for Computational Linguistics,
Maryland, 1999, pp550--557.
(8 pages, 330K
postscript
gzipped,
pdf
)
- Yael Dahan-Netzer & Michael Elhadad
Generation of Noun Compounds in Hebrew:
Can Syntactic Knowledge be Fully Encapsulated?
Proceedings of the Ninth International Workshop on Natural Language
Generation (INLG'98), Niagara on the Lake, Ontario, 1998.
(10 pages, 45K
postscript gzipped,
dvi,
pdf )
- Yael Dahan-Netzer & Michael Elhadad
Generating Determiners and Quantifiers in Hebrew
Proceedings of the Workshop on Semitic Languages, ACL'98, Montreal,
Quebec, 1998.
(9 pages, 41K
postscript gzipped,
37K
dvi,
pdf)
- Hongyan Jing, Regina Barzilay, Kathleen McKeown, and Michael Elhadad
``Summarization Evaluation Methods: Experiments and Analysis'',
AAAI Symposium on Intelligent Summarization,
March 23-25, 1998, Stanford University, CA.
(9 pages, 53K
ps
gzip
pdf)
- Regina Barzilay & Michael Elhadad
``Using Lexical Chains for Text Summarization'', in Proceedings of the
Intelligent Scalable Text Summarization Workshop (ISTS'97), ACL, Madrid, 1997.
(9 pages, 198K
ps,
58K
ps
gzip
pdf)
Thesis
- Iddo Aviram, Effective Topics Models for Query Retrieval Task and
Redundant Corpora, MSc Thesis, Sep 2012, pdf.
- Eran Tomer, Automatic Hebrew Text Vocalization, MSc Thesis,
January 2012, (pdf,
online demo).
- Masha Igra, Use of LDA Topics in Aspect and Sentiment Analysis,
MSc Thesis, January 2013, (pdf, slides
pdf).
- Gabriel Stanovsky, A Study in Hebrew Paraphrase Identification,
MSc Thesis, Dec 2012, (pdf,
slides,
full description).
- Yoni Lev, Statistics-Based Mtheods for Error Detection and Correction in Modern Hebrew , MSc Thesis, Ben Gurion University, Israel, December 2012 (pdf).
- Yoav Goldberg, Automatic Syntactic Processing of Modern Hebrew,
PhD Thesis, Ben Gurion University, Israel, June 2011.
(pdf,
hebrew
online demo,
software)
- David Gabay, "Authorship Attribution in Modern Hebrew", Msc. Thesis, Ben
Gurion University, Israel, June 2008.
(abstract, pdf)
-
Meni Adler, Hebrew Morphological Disambiguation: An Unsupervised Stochastic Word-based Approach, Phd. Thesis, Ben Gurion University, September 2007.
(pdf, online demo)
- Oren Hazai, "Text Categorization using Lexical Chains", Msc. Thesis, Ben
Gurion University, Israel, March 2006.
(pdf)
-
Yael Netzer, Semantic Authoring for Blissymbols Augmentative Communication Using Multilingual Text Generation, Phd. Thesis, Ben Gurion University, November 2005.
(pdf)
- Naama Ben Mordecai, "Hebrew Named Entity Recognition", Msc. Thesis, Ben
Gurion University, Israel, September 2005.
(pdf, online demo and package)
- Ofer Biller, "Semantic Authoring for Multilingual Text Generation", Msc. Thesis, Ben
Gurion University, Israel, March 2005.
(pdf, SAUT package)
- Gennadiy Lembersky, Named entity recognition in Hebrew language;
Hebrew Multiword Expression: approaches and recognition methods, Msc. Thesis, Ben
Gurion University, Israel, March 2003.
(pdf
, package)
- Kharitonov Mark,CFUF: A Fast Interpreter for the Functional Unification Formalism, Msc. Thesis, Ben
Gurion University, Israel, November 1998.
(ps)
- Regina Barzilay, Lexical Chains for Summarization, MSc. Thesis,
November 1997, pdf.
- Yael Dahan Netzer "Design and Evaluation of a Functional Input
Specification Language for the Generation of Bilingual Nominal Expressions
(Hebrew/English)" Msc. Thesis, Ben Gurion University, November 1997.
(pdf)