from structuredriven separate semantic
Báo cáo khoa học: "FROM STRUCTURE-DRIVEN SEPARATE SEMANTIC GENERATION REPRESENTATIONS" ppt
... top-down genera- tots using an integrated semantics cannot occur in the separate- semantics approach. Expansion of grammar rules can be controlled by the semantic representation if each rule application ... describe a ge- nerator using a separate semantics and to suggest a structure-driven strategy that is bascd on a systcm of pattern-action (PA) rules, as they are known from AI production systems ... structure from which the ter- minal string can easily be produced. This new ap- proach allows for a carefully directed and nearly deterministic choice of grammar rules. KEEPING SEMANTICS SEPARATE...
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Báo cáo khoa học: "Syntax is from Mars while Semantics from Venus! Insights from Spectral Analysis of Distributional Similarity Networks" ppt
... 245–248,Suntec, Singapore, 4 August 2009.c2009 ACL and AFNLPSyntax is from Mars while Semantics from Venus!Insights from Spectral Analysis of Distributional Similarity NetworksChris BiemannMicrosoft/Powerset, ... language– as if one is from “Mars” and the other from “Venus”. Indeed, this exploratory work shows thatthe distributional properties of syntax are quite dif-ferent from those of semantics. Distributional ... of such networks; and (b) a random walk con-ducted on the semantic DSN will have a high ten-dency to drift away very soon from the semantic class of the starting node, whereas in the syntacticDSN,...
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BÁO CÁO SEMINAR MÔN HỌC TÍNH TOÁN LƯỚI Đề tài: SEMANTIC GRID: FROM CONCEPTS TO IMPLEMENTATION
... đuợc chia thành hai nhóm: nhóm dịch vụ cung cấp ngữ nghĩa (Semantic Provisioning Services -SPS ) và nhóm dịch vụ hiểu ngữ nghĩa (Semantically Aware Grid Services -SAGS). Nhóm dịch vụ SPS chịu ... IV. PHỤ LỤC PHÂN CÔNG CÔNG VIỆC Đây là bài báo cáo chi tiết của seminar 5 với chủ đề tài Semantic Grid: From Concepts to Implementation” với công việc cụ thể như sau: Nội dung Người thực hiện ... người trêc biểu diễn dc đẩy sự ra đà theo Tim Bnghĩa rõ rànả hơn. g cụ để con hì Semantic trình bày tóa, được bổ scho các phầó. Chẳng hạngian Semanticác hệ điều h...
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Tài liệu Báo cáo khoa học: "Learning the Latent Semantics of a Concept from its Definition" pptx
... latentsemantics from sense definitions to improve elesk.However, the challenge lies in that sense defini-tions are typically too short/sparse for latent vari-able models to learn accurate semantics, ... first to construct a sensesimilarity by latent semantics of sense definitions.6 ConclusionsWe construct a sense similarity wmfvec from the la-tent semantics of sense definitions. Experiment re-sults ... will share thesame latent semantics profile, as long as they are inthe same topic/domain.To solve the sparsity issue we use missing wordsas negative evidence of latent semantics, as in (Guoand...
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Tài liệu Báo cáo khoa học: "Semantic Taxonomy Induction from Heterogenous Evidence" doc
... pages 801–808,Sydney, July 2006.c2006 Association for Computational Linguistics Semantic Taxonomy Induction from Heterogenous EvidenceRion SnowComputer Science DepartmentStanford UniversityStanford, ... (Hij|EHij) is then trainedusing logistic regression, predicting the noun-pairhypernymy label from WordNet from the featurevector of lexico-syntactic patterns.The hypernym classifier described above ... COLING-02.M. Hearst. 1992. Automatic Acquisition of Hyponyms from Large Text Corpora. Proc. COLING-92.D. Hindle. 1990. Noun classification from predicate-argument structures. Proc. ACL-90.D. Lenat....
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Tài liệu Báo cáo khoa học: "Inducing German Semantic Verb Classes from Purely Syntactic Subcategorisation Information" pdf
... frequencies range from 8 to31,710.Our target classification is based on semantic in-tuitions, not on our knowledge of the syntactic be-haviour. As an extreme example, the semantic classSupport ... reliableenough to serve as proxy for human judgement(Schulte im Walde, 2002a).3 German Semantic Verb Classes Semantic verb classes have been defined for sev-eral languages, with dominant examples ... probabilities for ns-2. Deletingna or frames containing s from the verb de-scription destroys the coherent clusters.Cluster (c) contains two sub-classes from As-pect and Insistence, polluted by the verb...
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Báo cáo khoa học: "Bootstrapping Semantic Analyzers from Non-Contradictory Texts" docx
... the full semantic statefor every training example, we have a very smallamount of data annotated with semantic states anda larger number of unannotated texts with non-contradictory semantics.We ... language semantics from ambigous supervision.In Association for the Advancement of Artificial In-telligence (AAAI), pages 895–900.Percy Liang, Michael I. Jordan, and Dan Klein. 2009.Learning semantic ... (aspects) of thefull semantic state, yet statements about the sameaspects must not contradict each other. Simulta-neous inference of the semantic state for the non-contradictory and semantically overlapping...
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Báo cáo khoa học: "Learning Semantic Links from a Corpus of Parallel Temporal and Causal Relations" doc
... NO-REL.train/test split from Table 1 and the feature sets:Syntactic The syntactic features from Section 4. Semantic The semantic features from Section 4.All Both syntactic and semantic features.All+Tmp ... ofsyntactic and semantic features performing 5 pointsbetter (43.6% precision and 55.8% recall) than eitherfeature set individually. This suggests that our syn-tactic and semantic features ... 177–180,Columbus, Ohio, USA, June 2008.c2008 Association for Computational LinguisticsLearning Semantic Links from a Corpus ofParallel Temporal and Causal RelationsSteven BethardInstitute for Cognitive...
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Báo cáo khoa học: "Learning Semantic Categories from Clickthrough Logs" pdf
... SupervisedLearning of Semantic Knowledge from Query Logs. IJC-NLP, pages 358–365.M. Pas¸ca and B. V. Durme. 2007. What You Seek is WhatYou Get: Extraction of Class Attributes from Query Logs.IJCAI-07, ... algorithm of search engines.5 ConclusionWe have proposed a method called Quetchupto learn semantic categories from search click-through logs using Laplacian label propagation.The proposed method ... nodes.3 Quetchup3AlgorithmIn this section, we describe an algorithm forlearning semantic categories from search logs us-ing label propagation. We name the algorithmQuetchup.3.1 Semi-supervised...
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Báo cáo khoa học: "HAL-based Cascaded Model for Variable-Length Semantic Pattern Induction from Psychiatry Web Resources" pdf
... induce a set of relevant semantic patterns with variable lengths (from 2 to k). Let 1( , , )seed Rspcc= be a seed pattern of length R, and 1( , , )Sspc c= be a semantic pattern of ... set, of which 39 sentences contain a semantic pattern of length two, 21 sen-tences contain a semantic pattern of length three, and 9 sentences contain a semantic pattern of length four. The ... be applied to induce variable-length semantic patterns from all possible combinations of words in the corpora. However, statistical methods may suffer from data sparseness problem, thus they...
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Báo cáo khoa học: "Semantic Class Learning from the Web with Hyponym Pattern Linkage Graphs" pdf
... web.Several techniques for semantic class inductionhave also been developed specifically for learning from the web. (Pas¸ca, 2004) uses Hearst’s pat-terns (Hearst, 1992) to learn semantic class instancesand ... by their semantic lexicon learner were not present in Word-Net. Automatic semantic lexicon acquisition couldbe used to enhance existing resources such as Word-Net, or to produce semantic lexicons ... methods have been developed forautomatic semantic class identification, under therubrics of lexical acquisition, hyponym acquisition, semantic lexicon induction, semantic class learn-ing, and web-based...
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Báo cáo khoa học: "Coreference Resolution Using Semantic Relatedness Information from Automatically Discovered Patterns" pptx
... word senses and semantic relationsare not available from the database (Vieira and Poe-sio, 2000). In recent years, increasing interest hasbeen seen in mining semantic relations from largetext ... toobtain the semantic relatedness information.The evaluation on ACE data set shows thatthe pattern based semantic information ishelpful for coreference resolution.1 Introduction Semantic relatedness ... the same entity should have a certain semantic relation. To obtain this semantic information, previ-ous work on reference resolution usually leveragesa semantic lexicon like WordNet (Vieira...
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Báo cáo khoa học: "Inducing Frame Semantic Verb Classes from WordNet and LDOCE" pot
... Rebecca. 2004. Inducing Semantic Frames from Lexical Resources. Ph.D. dissertation,University of Maryland.Green, Rebecca and Bonnie J. Dorr. 2004. Inducing A Semantic Frame Lexicon from WordNet Data. ... resnik}@umiacs.umd.eduAbstractThis paper presents SemFrame, a systemthat induces frame semantic verb classes from WordNet and LDOCE. Semantic frames are thought to have significantpotential in resolving the ... precision(based on SemFrame verbs’ semantic relatedness to frame-evoking verbs). Thenext best performing semantic verbclasses achieve 56.9% recall and 55.0%precision. 1 Introduction Semantic content can...
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Báo cáo khoa học: "Constructing Semantic Space Models from Parsed Corpora" potx
... have focused on simulating semantic prim-ing studies. The semantic priming paradigm pro-vides a natural test bed for semantic space modelsas it concentrates on the semantic similarity or dis-similarity ... traditional semantic space models. The Tukey test revealed thatcategory coordination is reliably distinguished from all other relations and that phrasal association is re-liably different from antonymy ... ranging from similarity judgements (McDonald,2000) to semantic priming (Lund and Burgess, 1996;Lowe and McDonald, 2000) and text comprehension(Landauer and Dumais, 1997).In this approach semantic...
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- semantic web
- healthier societies from analysis to action
- web semantics and ontology
- ứng dụng semantic web
- semantic information from text
- semantics from venus! insights
- semantic class learning from the web
- inducing domain specific semantic class taggers from almost nothing
- the lexical semantics of verbs of motion the perspective from unaccusativity
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