measures of distributional similarity

... the 872 5.2.1 Data and Resources Measures of distributional similarity usually re- quire large amounts of data. For the alignment method we need a parallel corpus of reasonable size with Dutch either ... ex- tract semantically related words using measures of distributional similarity, but these 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 and its feature. We believe that this type of weighting is benefi- cial for calculating similarity between...

Ngày tải lên: 20/02/2014, 12:20

... 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,...

Ngày tải lên: 20/02/2014, 18:20

... classification decision is 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 to other likely ... quality of the distributional data. 2 Similarity measures We evaluate our approach on the task where nouns are classified into a predefmed set of semantic classes. Thereby, the meaning of each ... on combined measures of distributional and semantic similarity Viktor Pekar Bashkir State University, 450000 Ufa, Russia vpekar@ufanet.ru Steffen Staab Institute AIFB, University of Karlsruhe http://www.aifb.uni-karlsruhe.de/WBS &...

Ngày tải lên: 08/03/2014, 21:20

... Analysis of Distributional Similarity Networks Chris Biemann Microsoft/Powerset, San Francisco Chris.Biemann@microsoft.com Monojit Choudhury Microsoft Research Lab India monojitc@microsoft.com Animesh ... equally popular, visualization of distributional similarity is through graphs or networks, where each word is represented as nodes and weighted edges 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 the existence of a hierarchical community...

Ngày tải lên: 17/03/2014, 02:20

Ngày tải lên: 30/03/2014, 21:20

... BUSINESS KNOWLEDGE (BEK) THE SIX MEASURES OF INCOME OF THE U.S. DEPARTMENT OF COMMERCE.  Nguyen Tran Bich Ngoc 1. 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,...

Ngày tải lên: 08/11/2012, 11:54

... and the need to do so by means of simple and clear measures. This balance is 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 a general factor of aesthetic experience, ... differentials of aesthetic appreciation of photographs. In J. P. Frois, P. Andrade, & J. F. Marques (Eds.), Art and science. Proceedings of the XVIII Congress of the International Association of Empirical...

Ngày tải lên: 19/02/2014, 17:20

... 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...

Ngày tải lên: 20/02/2014, 18:20

... contextual features are used. We evaluated the influence of context by varying both the position and the size of the win- dow of words (i.e., parts of speech) surrounding the candidate compound. The ... represents a window of two words to the left and four words to the right of the candidate noun-noun sequence. Table 5 shows the performance of the two classifiers for some of the contextual feature ... (8M words) for his study and a predefined 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...

Ngày tải lên: 22/02/2014, 02:20

... lexical-syntactic patterns to label clusters of distributionally similar terms. Mirkin et al. (2006) used 11 patterns, and the distributional similarity score of each pair of terms, to construct features ... 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. c 2009 ACL and AFNLP Reducing semantic drift with bagging and distributional ... (2006) used distributional similarity to find similar terms for verifying the names in date -of- birth facts for their tera-scale bootstrapping system. 2.3 Selecting seeds For the majority of bootstrapping...

Ngày tải lên: 08/03/2014, 00:20

... definition of distributional similarity by making the assumption that two words ap- pearing in similar sets of features must be re- lated. 2.1.2 Limitations The problems of the distributional similarity ... as a that 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 many pairs. 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 at the most frequent contexts of the...

Ngày tải lên: 08/03/2014, 21:20

... the findings of the first stage of analysis with the 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 ‘making social of disease’ (Frankenberg 1980:199). The concept of sickness involves particularly a consciousness of the role of social relations in their expression of power, ... of reproductive morbidity at the community 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...

Ngày tải lên: 14/03/2014, 16:20

... taken for the actual assembly of the objects. Also, other measures of the user’s gaze behaviour might be 885 Proceedings of the 47th Annual Meeting of the ACL and the 4th IJCNLP of the AFNLP, pages 879–887, Suntec, ... under a range of conditions and then 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 for signs of problems in the interaction, using data au- 881 useful: more global measures such as how often the...

Ngày tải lên: 17/03/2014, 01:20

... 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...

Ngày tải lên: 17/03/2014, 04:20

... 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....

Ngày tải lên: 17/03/2014, 04:20

... WordNet-Based Similarity Measures We also examine the following measures of seman- tic similarity which are WordNet-based. 3 Wu and Palmer (1994) propose a measure of similarity of two concepts ... mea- sure of similarity based on WordNet to measure which 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 functions for measuring the type of semantic similarity com- mon for coordinate nouns, is a similarity function based on distributional similarity with context...

Ngày tải lên: 17/03/2014, 04:20

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