Tài liệu Báo cáo khoa học: "Towards History-based Grammars: Using Richer Models for Probabilistic Parsing*" docx

... Towards History-based Grammars: Using Richer Models for Probabilistic Parsing* Ezra Black Fred Jelinek John Lafferty David M. ... describe a technique for estimat- ing the parameters for this model using decision trees. The history-based grammar model provides a mechanism for taking advantage of contextual information from ... the contextual information used by t...

Ngày tải lên: 20/02/2014, 21:20

... et al. [26] for the numeration used in this article). This C-terminal fragment forms a globular domain both as part of the full-length sequence and in the isolated form, and there- fore constructs ... available for general use, and are distributed free of charge to not -for- profit institutions. Abbreviations hPrP, human prion protein; mPrP, mouse prion protein; PrP, prion protein; PrP C ,...

Ngày tải lên: 18/02/2014, 08:20

... Poster Sessions, pages 77–80, Prague, June 2007. c 2007 Association for Computational Linguistics Ensemble Document Clustering Using Weighted Hypergraph Generated by NMF Hiroyuki Shinnou, Minoru ... used in the Probabilistic Latent Semantic Indexing (Hof- mann, 1999). Because the axis in the reduced space by NMF corresponds to a topic, the reduced vector represents the clustering resul...

Ngày tải lên: 20/02/2014, 12:20

... would account for the evidently necessary mappings that we account for by means of VNMAs. This type of neglect is widespread in the metaphor literature. A further real-discourse example for which VNMAs ... the classification of an event, as, for example eat (mary, bread) , and event rate is relative to event type as well as the specific event. Logical forms for other VNMAs have bee...

Ngày tải lên: 22/02/2014, 02:20

... process for modeling to be examined to evaluating maximum TC wind based on TC observations. 4.1. Using sub-annual maxima for extreme wind analysis 4.1.1. MIS method for NTC wind MIS results for ... used popularly to fit observations, for instant, used for Non-Hurricane winds in US (see ASCE/ISE 7-05 [23]), for Non-Typhoon wind in Japan [1] and also for simulated TC wind...

Ngày tải lên: 18/02/2014, 13:20

... function, defined as R : S × A → , R(s, a) encodes the utility for the agent to perform the action a while in state s. It is therefore a model for the goals or preferences of the agent. A graphical illustration ... state space incorporating both dialogue, user, and environment models. The tractability of the resulting POMDP can be preserved using a mechanism for dynamically con- stra...

Ngày tải lên: 20/02/2014, 04:20

... popular method for performing such a classification is Latent Semantic Analysis (LSA) (Deerwester et al., 1990), with other methods also suitable for the task (see Navigli (2009) for an ex- tensive ... a new instrument for inves- tigating the diachronic development of word senses in a way that allows for a better under- standing of the nature of semantic change in general. For this...

Ngày tải lên: 20/02/2014, 05:20

... superlatives can be objective or subjective. Compare for example: [28] The Black Forest is the largest forest in Germany. [objective] [29] The Black Forest is the most beautiful area in Germany. ... Initial experimental evi- dence is provided for the value of the pro- posed work for Question Answering. I also briefly discuss its potential value for Sen- timent Detection and Opin...

Ngày tải lên: 20/02/2014, 12:20

... sentence. The calling sequence for the second sentence is identical to that for the first sentence except that the recognition of concepts is different. The passive frame for EXAM-SCORES does not ... aspect. For any given text, a thematic frame contains structural knowledge about what is remembered of a theme. One of the slots in this frame contains a list of the relevant conc...

Ngày tải lên: 21/02/2014, 20:20

... emerge. USING THE DICTIONARY Once the information ia LDOCE has been restructured into a format suitable for accessing by client programs, it still remains to be shown that this information ... according to the Merriam-Webster codes for subject matter (see Walker & Amsler (1983) for a suggested use for these). The large amount of semi-formalised information concerning the...

Ngày tải lên: 22/02/2014, 09:20