Disambiguation PowerPoint PPT Presentations
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Number Sense Disambiguation Stuart Moore Supervised by: Anna Korhonen (Computer Lab) Sabine Buchholz (Toshiba CRL)
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... resources such as dictionaries and thesauri. discourse properties ... In recent years, most dictionaries made available in Machine Readable format (MRD) ...
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Word Sense Disambiguation German Rigau i Claramunt http://www.lsi.upc.es/~rigau TALP Research Center Departament de Llenguatges i Sistemes Inform tics
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Example: Michael Jordan, basketball star or ... Choose the most relevant people to Michael Jordan. ... Movie database from IMDB. 230,000 actors. 40,000 movies ...
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Pro: can use larger context when local information is not enough ... An electric guitar and a bass player stand off to one side. Just Count Things - Input ...
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'WSD is perhaps the great open problem at the lexical level of NLP' (Resnik ... age 2: a historic period; 'the Victorian age'; 'we live in a litigious age' ...
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Word Sense Disambiguation Zhang Yu zhangyu@ir.hit.edu.cn Overview of the Problem Problem: many words have different meanings or senses, i.e., there is ambiguity about ...
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Semantic Roles and Disambiguation
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Word Sense Disambiguation. Information Retrieval. CMSC 35100. Natural ... Cluster: Dry Oyster Whisky Hot Float Ice. Learning Nothing Useful, Wrong Question ...
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Words unknown to the analyzer: replaced with OOV symbol, receive all analyses associated with OOV training words, morphemes replaced with OOV. ...
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Support Vector Machine Based Orthographic Disambiguation Eiji ARAMAKI, Takeshi IMAI, Kengo MIYO, Kazuhiko OHE Hospital center and centre are equivalent?
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finance fashion. banking telecommunication. work music. business channel ... requires a lot of work'; 'no schools offer graduate study in interior design' ...
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Semantic Roles and Disambiguation Today Semantic Networks: Wordnet Thematic Roles Selectional Restrictions Selectional Association Conceptual Dependency Semantic ...
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English nouns, verbs and adjectives are organized into synonym sets, each ... 23 Somebody's (body part) ----s. 24 Somebody ----s somebody to INFINITIVE ...
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Weights are number of dependency relation instances found. WSD Algorithm ... Hypernym/hyponym Matching. E.g., animal. mammal. dog. poodle ...
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One sense per collocation ... One sense per collocation : Most senses are strongly correlated with certain ... Fk contains characteristic collocations. ...
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1. Schema/Ontology level : Determining the similarity of attributes/concepts ... for entity disambiguation (Scalable Information Bottleneck (LIMBO) method) ...
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Dictionary-Based Disambiguation: based on ... Express the dictionary sub-definitions of the ambiguous word as sets of bag-of ... Thesaurus-Based Disambiguation ...
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B and C share co-authors, affiliations. But A and C share nothing! ... Affiliations matched to each authors in PMC, online papers ...
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Adding appropriate synonyms ad hyponyms to a query can improve retrieval effectiveness. ... have a number of hyponym synsets. Each hyponym synset H(w)ij have ...
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for Disambiguation to Wikipedia Lev Ratinov1, Dan Roth1, Doug Downey2, Mike Anderson3 1University of Illinois at Urbana-Champaign 2Northwestern University
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Definitions / Examples for each meaning. Find similarity ... Typical usage examples (for most word meanings) WordNet definitions/examples for the noun plant ...
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Note: Some of the material in this set was adapted from a tutorial given ... dachshund. hunting dog. hyena dog. dingo. hyena. dog. terrier. Slide 26 ...
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(17.1) '..., everybody has a career and none of them includes washing DISHES' ... One sense per collocation. Also automatic selection from machine readable dictionary ...
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Learning Morphological Disambiguation Rules for Turkish Deniz Yuret Ferhan T re Ko University, stanbul Overview Turkish morphology The morphological ...
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Natural Language Processing word sense disambiguation Updated 1/12/2005 Overview of the Problem Problem: many words have different meanings or senses == there is ...
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Word sense disambiguation is the problem of selecting a sense for a ... holonym: {Plantae, kingdom Plantae, plant kingdom} NILESH.A.SHEWALE. 18. Lesk Algorithm ...
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Program Analysis Techniques. for Memory Disambiguation. Radu Rugina and Martin Rinard ... (write v into the memory location that p points to) What memory ...
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Any clusters that fell below a membership threshold (5) had their centroid ... For each page, they find the cluster that is closest to the page in the feature space. ...
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Word Senses and Word Sense Disambiguation. CIS 530 Introduction to NLP ... Example: {chump, fish, fool, gull, mark, patsy, fall guy, sucker, schlemiel, ...
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Ontology-Driven Automatic Entity Disambiguation in Unstructured Text Jed Hassell
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And are much less costly to train if we can tolerate some noise in the models ... Class (Crane 1) = heron, stork, eagle, condor, ...
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(Domain Vector) (ART,0.8) ... (SPORT,0.0) Classifier. Classify. Instance (instance) Import Model ... Categorization (text vector) Similarity between synsets' ...
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The electricity plant supplies 500 homes with power. ... Dog, Hound, Canine. Retriever. Terrier. Animal. Bird. Available Data ...
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Also provide synonyms/translations for senses. The disambiguated collection allows for: Expanding the collection to synonyms and broader terms ...
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Comparative Study of Name Disambiguation Problem using a Scalable Blocking-based Framework Byung-Won On, Dongwon Lee, Jaewoo Kang, Prasenjit Mitra
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College of Information Science & Technology Drexel University ... commonly used relationships include hypernym, hyponym, holonym, meronym, and synonym. ...
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The same author names mistakenly appear under multiple name variants. ... Edit-distance, Affine Gap, Smith-Waterman, Jaro, etc. Token-based similarity metrics ...
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Title: PowerPoint Presentation Last modified by: Hiroshi Nakagawa Created Date: 1/1/1601 12:00:00 AM Document presentation format:
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All the senses for a word are collected into a dictionary. ... Cross category relations: operate#3 [Medicine] Cross language information. Polysemy Reduction ...
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Combining Lexical and Syntactic Features for Supervised Word Sense Disambiguation Masters Thesis : Saif Mohammad Advisor : Dr. Ted Pedersen University of Minnesota ...
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Many plants and animals live in the rainforest. Plant1 Plant2 Plant3 ... Over half of the millions of known species of plants and animals live in the. rainforest. ...
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Disambiguation Problems. in Digital Libraries. Tan Yee Fan. 2006 August 11 ... d(x1, x2) = 1 if x1 and x2 matches. d(x1, ... Jaro-Winkler, ... Abbreviation ...
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Danny C. C. Poo, Teck-Kang Toh, Christopher S. G. Khoo, Glenn Hong. ... QUALIFIER: Question Answering by Lexical Fabric and External Resources. EACL 2003: 363-370 ...
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a monolingual corpus in the target language. TRANSLATION SELECTION ... Only need a dictionary and monolingual resources in the target language ...
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CETA (Chinese-English Translation Assistance) Dictionary ... Types of features that are important for English and Chinese are different. ...
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www.pitt.edu
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Idea is to spot entity names in text and assign each potential match a confidence score ... Spotting Entity Names. Search document for entity names within the ontology ...
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The dependents of a verb are classified in: arguments -subject, object, ... determine the probability distribution for each noun, verb, adjective and adverb ...
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Using Encyclopedic Knowledge for Named Entity Disambiguation Razvan Bunescu Marius Pasca Machine Learning Group Department of Computer Sciences University of Texas at ...
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Named Entity Disambiguation on an Ontology Enriched by Wikipedia ... Utilizing ontological concepts, and properties of instances in a specific KB, to ...
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One sense per collocation : ... Calculate log-likelihood ratio of word-sense probability for each collocation: ... defining seed collocation for each possible ...
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Sense 2: A passage for water. Sense 3: A long narrow furrow ... Sense 6: A bodily passage or tube. Sense 7: A television station and its programs. 5 ...
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Web page Retrieval. The middleware queries a search engine's API, gets top-K Web pages. ... Experiments: Quality of Disambiguation. By Artiles, et al. in SIGIR'05 ...
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No explicit semantic information about data and objects being presented in web pages. ... Sesame, as opposed to Jena and BRAHMS, because of its ability to store large ...
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with Bruno Pouliquen, Erik van der Goot, Olivier Deguernel, Camelia Ignat, ... European Commission Joint Research ... Using cosine or Okapi, k-NN clustering; ...
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