measures of distributional similarity
Tài liệu Báo cáo khoa học: "Finding Synonyms Using Automatic Word Alignment and Measures of Distributional Similarity" pdf
... the8725.2.1 Data and Resources Measures of distributional similarity usually re-quire large amounts of data. For the alignmentmethod we need a parallel corpus of reasonablesize with Dutch either ... ex-tract semantically related words using measures of distributional similarity, butthese typically are not able to distin-guish between synonyms and other types of semantically related words such ... an indication of the amount of information car-ried by that particular combination of a noun andits feature.We believe that this type of weighting is benefi-cial for calculating similarity between...
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Tài liệu Báo cáo khoa học: "Measures of Distributional Similarity" ppt
... the support of q is not a subset of the support of r). 2Strictly speaking, some of these functions are dissim- ilarity measures, but each such function f can be recast as a similarity function ... evaluated a num- ber of distributional similarity measures, includ- ing the skew divergence, and analyzed their in- formation sources. We observed that the ability of a similarity function ... the intersection Vqr of the supports of q and r. This is of interest from a computa- tional point of view because Vqr tends to be a relatively small subset of V, the set of all verbs. Furthermore,...
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Báo cáo khoa học: "Word classification based on combined measures of distributional and semantic similarity" docx
... classification decisionis a function of both (1) the distributional similarity of the new word to the target class and (2) the strength of the semantic relatedness of the target class toother likely ... quality of the distributional data.2 Similarity measures We evaluate our approach on the task wherenouns are classified into a predefmed set of semanticclasses. Thereby, the meaning of each ... on combined measures of distributional andsemantic similarity Viktor PekarBashkir State University,450000 Ufa, Russiavpekar@ufanet.ruSteffen StaabInstitute AIFB, University of Karlsruhehttp://www.aifb.uni-karlsruhe.de/WBS&...
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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
... Analysis of Distributional Similarity NetworksChris BiemannMicrosoft/Powerset, San FranciscoChris.Biemann@microsoft.comMonojit ChoudhuryMicrosoft Research Lab Indiamonojitc@microsoft.comAnimesh ... equally popular, visualization of distributional similarity is through graphs or networks, whereeach word is represented as nodes and weightededges indicate the extent of distributional similar-ity ... vs.eigenvector centrality of the words in the DSNs of 5000 nodes.eigenvectors. Furthermore, the graceful decay of the eigenvalues of the syntactic DSN implies theexistence of a hierarchical community...
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the six measures of income.
... BUSINESS KNOWLEDGE (BEK)THE SIX MEASURES OF INCOME OF THE U.S. DEPARTMENT OF COMMERCE. Nguyen Tran Bich Ngoc1. Gross domestic product (GDP) is the market value of all final goods and services ... citizen works temporally in the United States, his production is part of U.S. GDP, but it is not part of U.S. GNP.( It is part of Canada’s GNP). For most countries, including the United States, ... the Department of Commerce, depreciation is called the “ consumption of fixed capital”.4. National income is the total income earned by nation’s residents in the production of goods and services,...
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Tài liệu THE SEARCH FOR OBJECTIVE MEASURES OF AESTHETIC JUDGMENT: THE CASE OF MEMORY TRACES docx
... and the need to do so by means of simple and clear measures. This balanceis particularly difficult to reach in the field of psychology of art, given the risk of oversimplifying psychological ... application in the field of psychology of art. The next question con-cerned the choice of semantic scales. Eysenck (1940) argued for the existence of ageneral factor of aesthetic experience, ... differentials of aesthetic appreciation of photographs. InJ. P. Frois, P. Andrade, & J. F. Marques (Eds.), Art and science. Proceedings of theXVIII Congress of the International Association of Empirical...
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Tài liệu Báo cáo khoa học: "Distributional Similarity Models: Clustering Neighbors" doc
... both distributional clustering and nearest-neighbors averaging can yield improvements of up to 40% with respect to Katz's (1987) state -of- the-art backoffmethod in the prediction of unseen ... 1999. Measures of distributional simi- larity. In 37th Annual Meeting of the ACL, Som- erset, New Jersey. Distributed by Morgan Kauf- mann, San Francisco. Jianhua Lin. 1991. Divergence measures ... number of clusters (distinct values of C) is one. At the other extreme, for very large /3 the natural number of clusters is the same as the number of nouns. In general, a higher value of/ 3...
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Tài liệu Báo cáo khoa học: "Detecting Novel Compounds: The Role of Distributional Evidence" potx
... contextual features areused. We evaluated the influence of context byvarying both the position and the size of the win-dow of words (i.e., parts of speech) surroundingthe candidate compound. The ... represents a window of twowords to the left and four words to the right of thecandidate noun-noun sequence. Table 5 shows theperformance of the two classifiers for some of thecontextual feature ... (8M words) for his study and apredefined list of 90,000 nouns which had no part- of- speech ambiguity. He reports an accuracy of 97.9% on a sample of 1,068 noun-noun sequences.Note that the above...
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Báo cáo khoa học: "Reducing semantic drift with bagging and distributional similarity" pdf
... lexical-syntactic patterns to labelclusters of distributionally similar terms. Mirkin etal. (2006) used 11 patterns, and the distributional similarity score of each pair of terms, to constructfeatures ... Proceedings of the 47th Annual Meeting of the ACL and the 4th IJCNLP of the AFNLP, pages 396–404,Suntec, Singapore, 2-7 August 2009.c2009 ACL and AFNLPReducing semantic drift with bagging and distributional ... (2006)used distributional similarity to find similar termsfor verifying the names in date -of- birth facts fortheir tera-scale bootstrapping system.2.3 Selecting seedsFor the majority of bootstrapping...
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Báo cáo khoa học: "Finding Word Substitutions Using a Distributional Similarity Baseline and Immediate Context Overlap" potx
... definition of distributional similarity bymaking the assumption that two words ap-pearing in similar sets of features must be re-lated.2.1.2 LimitationsThe problems of the distributional similarity ... as athat they were the effect of that they have the role of that it has the quality of the impact of the dynamics of ‘part of the’ which contribute to the score of manypairs. Our precision would ... notion of similarity can be achieved when adequately fil-tering the output of a distributional similarity sys-tem. However, it also turns out that looking atthe most frequent contexts of the...
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Concepts and measures of reproductive morbidity* pptx
... the findings of the first stage of analysis withthe larger community of concerned professionals, we came across issues that widened our perspective of the problem and of the scope of mechanisms ... the process of the ‘makingsocial of disease’ (Frankenberg 1980:199). The concept of sickness involves particularly aconsciousness of the role of social relations in their expression of power, ... of reproductive morbidity at thecommunity level is one of the primary objectives of the study, the research team put a great deal of effort into the construction of the morbidity component of...
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Báo cáo khoa học: "Comparing Objective and Subjective Measures of Usability in a Human-Robot Dialogue System" potx
... takenfor the actual assembly of the objects. Also, other measures of the user’s gaze behaviour might be885Proceedings of the 47th Annual Meeting of the ACL and the 4th IJCNLP of the AFNLP, pages 879–887,Suntec, ... under a range of conditions andthen completed a user-satisfaction ques-tionnaire. The results of this study pro-vide a wide range of subjective and ob-jective measures of the quality of the in-teractions. ... considered four measures of dialogue qual-ity. The first two measures looked specifically forsigns of problems in the interaction, using data au-881useful: more global measures such as how oftenthe...
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Báo cáo khoa học: "Exploring Distributional Similarity Based Models for Query Spelling Correction" docx
... use the evidence of distributional similarity to achieve better spelling correction accuracy. We present two methods that are able to take advan-tage of distributional similarity information. ... for use of distributional similarity estimated from query logs in learning improved query spelling correction models. The key to our methods is the property of dis-tributional similarity ... investi-gation on distributional similarity functions can be found in (Lillian Lee, 1999). 3 Distributional Similarity- Based Mod-els for Query Spelling Correction 3.1 Motivation Most of the previous...
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Báo cáo khoa học: "Integrating Pattern-based and Distributional Similarity Methods for Lexical Entailment Acquisition" doc
... for distributional similarity measures, (Lin, 1998) is maybe the most widely used one, while (Weeds et al., 2004) provides a typical example for recent research. Distributional similarity measures ... we investigate automatic acquisi-tion of the lexical entailment relation. For the distributional similarity component we employ the similarity scheme of (Geffet and Dagan, 2004), which was ... extrac-tion in KnowItAll. In Proc. of WWW-04. NY, USA. Geffet, Maayan and Ido Dagan. 2004. Feature Vector Quality and Distributional Similarity. In Proc. of COLING-04. Geneva, Switzerland....
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Báo cáo khoa học: "Empirical Measurements of Lexical Similarity in Noun Phrase Conjuncts" ppt
... WordNet-Based Similarity Measures We also examine the following measures of seman-tic similarity which are WordNet-based.3Wu andPalmer (1994) propose a measure of similarity of two concepts ... mea-sure of similarity based on WordNet to measurewhich were the head nouns being conjoined in cer-tain types of coordinate noun phrase.In this paper we look at different measures of word similarity ... start, when looking at similarity functionsfor measuring the type of semantic similarity com-mon for coordinate nouns, is a similarity functionbased on distributional similarity with context...
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- monetary measures of risk
- a distributional similarity baseline
- combined measures of distributional
- the role of distributional evidence
- measures of distributional similarity lillian lee
- subjective measures of usability
- bagging and distributional similarity
- prevention and control measures of soil pollution
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