a social networkbased trust model for the semantic web

Ngày tải lên: 13/08/2014, 16:21

Ngày tải lên: 28/03/2014, 21:20

... proposes a new web parallel data mining scheme. Given a pair of parallel web pages as seeds, the Document Object Model 1 (DOM) is used to represent the web pages as a pair of DOM trees. Then a ... Pietra, and R. L. Mercer. 1993. The Mathematics of Statistical Ma- chine Translation: Parameter Estimation. Computa- tional Linguistics, V19(2). Callison-Burch, C. and C. Bannard. 2005. Paraphras- ing ... web pages manually labeled as parallel or non- parallel. The Iterative Scaling algorithm (Pietra, Pietra and Lafferty 1995) is used for the training. 7 Experimental Results The DOM tree alignment...

Ngày tải lên: 08/03/2014, 02:21

... Noun Phrase (baseNP) is an important subtask for many natural language processing applications, such as partial parsing, information retrieval and machine translation. A baseNP is a simple noun phrase ... Treebank II, and the definition of baseNP is the same as Ramshaw’s, Table 1 summarizes the average performance on both baseNP tagging and POS tagging, each section of the whole Penn Treebank was ... three other approaches to baseNP identification have been evaluated using Penn Treebank-Ramshaw & Marcus’s transformation-based chunker, Argamon et al.’s MBSL, and Cardie’s Treebank_lex in Table...

Ngày tải lên: 08/03/2014, 05:20

... SR for each pair. The reader can consult Budanitsky and Hirst (2006) to confirm that all the other mea- sures of semantic relatedness we compare to, do not follow the same pattern as the human ratings, as ... 2) a new GVSM re- trieval model, which incorporates the aforemen- tioned semantic relatedness measure; 3) exploita- tion of all the semantic information a thesaurus can offer, including semantic ... ratings, as closely as our measure of relatedness does (low y values for small x values and high y values for high x). The same pattern applies in the M&C and 353-C data sets. 4.2 Evaluation of the...

Ngày tải lên: 08/03/2014, 21:20

... panel-data analytic techniques. As more years of data on individual vehicles become available, it may be advan- tageous to adopt a panel-data approach. xii Improving Recapitalization Planning: Toward ... Management Model for the HMMWV Table 4.1 Fleet Management Model Assumptions in Sensitivity Analyses and Base Case Replace Earlier Base Case Replace Later Non-EDA costs Vary in same way as EDA ... for Army Analysis (CAA) (East, 2002), drew on the CBO figure of 1 to 3 percent to build a mathematical model optimizing Army RECAP rates. Specifically, CAA used an estimated age escalation factor...

Ngày tải lên: 15/03/2014, 21:20

... transition-based strategy, the integrated algorithm we are looking for has to be transition-based at the top level. The advan- tages of the graph-based approach – a more glob- ally informed basis for the decision ... punctuation marks for these corpora and follow in that the evaluation schema of the CoNLL Shared Task 2009. Table 3 presents the results as obtained for these data set. The transition-based parser ... the incremental calculation of the scores of the com- pletion model, and the parallel feature extraction as well as the parallelized transition-based pars- ing strategy play an important role in carrying...

Ngày tải lên: 17/03/2014, 22:20

... not use the lambda calculus formalism to define our task but rather treat it as an instance of frame -semantic parsing, or a specific type of semantic role label- ing (Gildea and Jurafsky, 2002). The ... monoclonal antibody, ab, an- tisera, mab 12 tnfalpha, tnf-alpha, il-6, tnf Table 1: Examples of the induced semantic classes. realizations have a clear semantic connection. Clus- ter 6, for example, ... 2005. A statistical semantic parser that integrates syntax and semantics. In Proceedings of the Ninth Conference on Computa- tional Natural Language Learning (CONLL-05), Ann Arbor, Michigan. Daniel...

Ngày tải lên: 23/03/2014, 16:20

... numerical model on the simulation of the wave transformation on a natural beach, existing experimental data on the wave dynamics in the nearshore area obtained  by Ting and Kirby ... the numerical model can satisfactorily simulate the wave transformation, including wave breaking, wave runup on the beach, and turbulence generated by  wave breaking and shear. As ... of various wave characteristics, it can be remarked that the numerical model can simulate wave transformation in the nearshore region with anacceptableaccuracy. 0 0.001 0.002 0.003 0.004 0.005 0.006 00.20.40.60.811.2 t/T k...

Ngày tải lên: 28/03/2014, 15:20

Ngày tải lên: 28/03/2014, 23:20

Ngày tải lên: 07/08/2014, 18:21

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Ngày tải lên: 13/08/2014, 16:21

Ngày tải lên: 13/08/2014, 16:21

Ngày tải lên: 07/09/2013, 13:40

... consid- ered as a syntactic constraint. Therefore we can use thousands of syntactic constraints to guide phrase translation. ã The SDB model maintains and protects the strength of the phrase-based approach ... in a better way than the CMVC does. It is able to reward non-syntactic translations by assign- ing an adequate probability to them if these translations are appropriate to particular syn- tactic ... to the word align- ments, we define bracketable and unbracketable instances. For each of these instances, we auto- matically extract relevant syntactic features from the source parse tree as bracketing...

Ngày tải lên: 20/02/2014, 07:20

... is the fact that there is often a good deal of overlap in words between the reparandum and the alteration, as speakers may trace back several words when restarting after an er- ror. For instance, ... modified for use in a special repair grammar, which not only reduces the amount of available training data, but violates our intuition that most reparanda are fluent up until the actual edit occurs. The ... Communication Re- search Centre, University of Edinburgh. John Hale, Izhak Shafran, Lisa Yung, Bonnie Dorr, Mary Harper, Anna Krasnyanskaya, Matthew Lease, Yang Liu, Brian Roark, Matthew Snover, and...

Ngày tải lên: 20/02/2014, 09:20

... groups and domains can be modeled separately without accessing and adapting the language model of the MT system for each SMS application. Another advantage is that the normalization module can ... normalization as a translation problem from the SMS language to the English language 1 and we propose to adapt a phrase-based statistical MT model for the task. Evaluation by 5-fold cross validation ... Normalization We view the SMS language as a variant of Eng- lish language with some derivations in vocabu- lary and grammar. Therefore, we can treat SMS normalization as a MT problem where the...

Ngày tải lên: 20/02/2014, 12:20