báo cáo khoa học: "A comparison of policy and direct practice stakeholder perceptions of factors affecting evidence-based practice implementation using concept mapping" doc

Tài liệu Báo cáo khoa học: "A Comparison of Alternative Parse Tree Paths for Labeling Semantic Roles" ppt

... subsequent sections of this paper, fol-lowed by a discussion of the implications of our findings and directions for future work. 2 Alternative Parse Tree Paths Parse tree paths were introduced ... expec-tations that the semantic richness of dependency parses would yield paths that outperformed the others, we discovered that parse tree paths from Charniak’s constituency parser performed the best ... characteristics of the parse tree of a sentence, for which competing approaches could be taken. The research effort described in this paper fur-ther explores the role of parse tree paths in iden-tifying...

Báo cáo khoa học: "A Comparison and Semi-Quantitative Analysis of Words and Character-Bigrams as Features in Chinese Text Categorization" potx

... Abstract Words and character-bigrams are both used as features in Chinese text process-ing tasks, but no systematic comparison or analysis of their values as features for Chinese text categorization ... 2006.c2006 Association for Computational LinguisticsA Comparison and Semi-Quantitative Analysis of Words and Character-Bigrams as Features in Chinese Text Categorization Jingyang Li Maosong ... 1986. Basic Engineering for Chinese Processing – Contemporary Chinese Words Frequency Count, Journal of Chinese In- formation Processing, 1(1):17-25. Robert W.P. Luk, K.L. Kwok. 1997. Comparing...

Báo cáo khoa học: "A Comparison of Syntactically Motivated Word Alignment Spaces" doc

... image c of a head 2 overlapswith the image (b, d) of 2’s modiﬁer, (3, 4). LinFigure 2: A phrasal cohesion violation.and Cherry (2003) used the notion of phrasal cohe-146 A Comparison of Syntactically ... is concerned with the space of alignments searched by word alignment systems. We focus on situations where word re-ordering is limited by syntax. Wepresent two new alignment spaces thatlimit ... restrict the type of movement that is considered, shrinking the num-ber of alignments that are attempted. We investi-gate this last advantage of syntactic alignment. Weﬁx an alignment scoring...

Báo cáo khoa học: "A Comparison of Rule-Invocation Strategies in Context-Free Chart Parsing" pot

... the product of the number of incoming active edges and the number of outgoing inactive edges. In addition, the number of chart edges produced is a measure which is independent of implementation ... indicate that it is possible to significantly increase efficiency in chart parsing by fine-tuning the rule-invocation strategy. Fine-tuning however also requires that the characteristics of ... comparison of the strategies based on empirical results. 2 A Survey of Rule-Invocation Strategies This section surveys the fundamental rule-invocation strategies in context-flee chart parsing....

Báo cáo khoa học: "A Comparison of Document, Sentence, and Term Event Spaces" potx

... two journals and reduced the number of documents by 2,432. We made the following comparisons between the document, sentence, and term event spaces. (1) Raw term comparison A set of well-correlated ... un-stemmed terms and 2.6 million for stemmed terms. Thus, the journals shared 48% and 52% of their vocabulary for unstemmed and stemmed terms respectively. Figure 7 shows the result of this comparison ... Meeting of the ACL, pages 601–608,Sydney, July 2006.c2006 Association for Computational LinguisticsA Comparison of Document, Sentence, and Term Event Spaces Catherine Blake School of Information...

Báo cáo khoa học: "A Comparison of Chinese Parsers for Stanford Dependencies" ppt

... gen-eration of basic Stanford dependencies (for constituent parsers) and part -of- speech tagging (for dependency parsers) .3 ResultsTable 3 tabulates efﬁciency and performance for all parsers; UAS ... LinguisticsA Comparison of Chinese Parsers for Stanford DependenciesWanxiang Che†car@ir.hit.edu.cnValentin I. Spitkovsky‡vals @stanford. eduTing Liu†tliu@ir.hit.edu.cn†School of Computer Science ... sampleconstituent parse tree and the corresponding Stan-ford dependencies for a sentence in Chinese. Al-though there are several variants of Stanford depen-dencies for English,1so far only a basic version...

Báo cáo khoa học: "A Comparison of Loopy Belief Propagation and Dual Decomposition for Integrated CCG Supertagging and Parsing" potx

... Computational LinguisticsA Comparison of Loopy Belief Propagation and Dual Decomposition for Integrated CCG Supertagging and ParsingMichael AuliSchool of InformaticsUniversity of Edinburghm.auli@sms.ed.ac.ukAdam ... random ﬁelds. arXiv:stat.ML/1011.4088.J. Yedidia, W. Freeman, and Y. Weiss. 2001. Generalized belief propagation. In Proc. of NIPS.480 2 CCG and Supertagging CCG is a lexicalized grammar formalism ... su-pertagger and parser, which are then combined us-ing belief propagation (BP) and dual decomposition (DD). We run the algorithms for many iterations, and irrespective of convergence, for BP we...

Báo cáo khoa học: "A Comparison of Head Transducers and Transfer for a Limited Domain Translation Application" pptx

... having iden- tical sublanguage domain and test data, and using similar automata for analysis in the transfer system and transduction in the transducer system. Another justification is that ... Bilingual Head Transduction 3.1 Bilingual Head Transducers A head transducer is a transduction version of the finite state head acceptors employed in the transfer model. Such a transducer M is associated ... particular type of finite state automata associated with each word in the language. A relational head acceptor writes (or accepts) a pair of symbol sequences, a left sequence and a right sequence....

Báo cáo khoa học: "A Comparison of Event Models for Naive Bayes Anti-Spam E-Mail Filtering" potx

... 4500 5000Number of attributes111Figure 4: Spam recall in the PU1 corpus at different vocabulary sizes.313 A Comparison of Event Models for Naive Bayes Anti-Spam E-Mail FilteringKarl-Michael ... Heidelberg.Springer.Andrew McCallum and Kamal Nigam. 1998. A com-parison of event models for Naive Bayes text clas-sification. In Proc. AAAI-98 Workshop on Learning for Text Categorization, pages 41-48. AAAI Press.Dunja ... linguistic point of view, a document ismade up of words, and the semantics of the doc-ument is determined by the meaning of the wordsand the linguistic structure of the document. The Naive Bayesian...

Báo cáo khoa học: "A comparison of clausal coordinate ellipsis in Estonian and German: Remarkably similar elision rules allow a language-independent ellipsis-generation module" pot

... and that Jan his bike diligently cleaned (16) *… et Jan asjatundlikult oma jalgratta parandas dass Jan fachkundig sein Fahrrad reparierte ja [et Jan]f hoolikalt [oma jalgratta]f puhastas ... puhastas und [dass Jan]f eifrig [sein Fahrrad]f putzte (17) * Jan parandas oma jalgratta asjatundlikult * Jan reparierte sein Fahrrad fachkundig ja Janf puhastas [oma jalgratta]f ... sein Fahrrad and Peter cleaned his bike (19) * et Jan [oma jalgratta]b parandas * dass Jan [sein Fahrrad]b reparierte ja et Peeter oma jalgratta puhastas und dass Peter sein Fahrrad...

Báo cáo khoa học: "A Tradeoff between Compositionality and Complexity in the Semantics of Dimensional Adjectives" potx

... knowledge base. Thus in the present paper, I investigate the kinds of relations that appear in formal theories of the meanings of the following morphosyntactic con- structions of dimensional adjectives: ... the Waltz algorithm is sound. The completeness, termination and time complexity of the algorithm depends on what kinds of relations appear as constraints in the system, and on the order in ... section by examining whether the increase in representational complexity in the transition from Table 1 to Table 2 entails an increase in the computational complexity of reasoning for a knowledge...

Báo cáo khoa học: "A comparison of five indirect methods for characterizing the light environment in a tropical fores" pptx

... indicates significance at the 1‰ level. Original article A comparison of five indirect methods for characterizing the light environment in a tropical forestAnne Ferment a , Nicolas Picard a, *, ... yetare able to assess temporal and spatialrelativevariations. The relationship between a variable measured at the sampling point and the same variable measured with a small spatial displacement, ... “openness” variables,whereas the remaining 7 variables are “foliage” variables. Shaded areas indicate the couples of variables that are issued from a commondevice (and should not be taken into account).*indicates...

Báo cáo khoa học: "A comparison of photosynthetic responses to water stress in seedlings from 3 oak species: Quercus petraea (Matt) Liebl, Q rubra L and Q cerris L" doc

... petraea and Q rubra. Lower ΔF/Fm’ in stressed individuals wasprobably induced by low CO2 availability atthe chloroplast level resulting from stoma-tal closure. ... able to explain these differences in drought-induced sensitivity to photoinhibi-tion. Still the higher tolerance to photoinhi-bition in Q cerris at a similar level of QA ... 1992).MATERIAL AND METHODS Seedlings of Quercus petraea (Matt) Liebl (Fo-rêt de la Reine, Toul, NE France), Q cerris L (commercial seedlots) and Q rubra L (Féné-trange, NE...

Báo cáo khoa học: "A comparison of daily representations of canopy conductance based on two conditional timeaveraging methods and the dependence of daily conductance on environmental factors" ppsx

... demand. Original articleA comparison of daily representations of canopy conductance based on two conditional time-averaging methods and the dependence of daily conductance on ... Resulting seasonal course of daily conductance The result of the two- stage conditional averaging process employed in this study on the seasonal course of leaf-areaweighted conductance, ... conditions, and as a result of the conditional averaging, a tighter rela-tionship between these two averaging schemes was found. We calculated daily representations of canopy conductance...

báo cáo khoa học: "A comparison of policy and direct practice stakeholder perceptions of factors affecting evidence-based practice implementation using concept mapping" doc

... [34].Green and Aarons Implementation Science 2011, 6:104http://www.implementationscience.com/content/6/1/104Page 2 of 12 RESEARCH Open AccessA comparison of policy and direct practice stakeholder perceptions ... direct practice stakeholder perceptions of factors affecting evidence-based practice implementation using concept mapping. Implementation Science2011 6:104.Submit your next manuscript to BioMed Central and ... into 14 clusters using concept- mapping procedures. Perceptions of importance of factors affecting EBP implementation varied between the two groups, with those involved in direct practice assigning...

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