Báo cáo khoa học: "A Connectionist Architecture for Learning to Parse" potx

... adequate for learning the complexities of real natural language (e.g. (Fodor and Pylyshyn, 1988), (Hender- son, 1996)). Work on extending connectionist architectures for application to complex ... pattern for the gestalt inputs is straightforward, since these inputs per- tain to information about the sentence as a whole. Whenever a tag is input to the network, the activa- tion pattern for ... constituency to be represented, but to date there has been no empirical demonstration of how a learning algorithm can be effectively applied to such a network. In this paper we propose an architecture...

Tài liệu Báo cáo khoa học: "A CONNECTIONIST PARSER FOR STRUCTURE UNIFICATION GRAMMAR" docx

... and from the need to have a unique re- sulting tree. This flexibility is crucial to allow the parser to compensate for the connectionist archi- tecture's limitations and to parse efficiently. ... structure. Once a node is forgotten it can no longer be equated with, so nodes which must be equated with in order for the total descrip- tion to be complete can not be forgotten. Forget- ting nodes ... computing mod- ule can represent entities, store predications over those entities, and use pattern-action rules to ma- nipulate this stored information. This form of rep- resentation is very expressive,...

Báo cáo khoa học: "A Flexible Architecture for Reference Resolution" docx

... describes an architecture for performing anaphora resolution in a flexible way. Systems which con- form to these guidelines are well- encapsulated and portable, and can be used to compare ... inter alia, to compare anaphora resolution tech- niques for a given application, to compare new techniques to published baselines, or to compare a particular technique's performance across ... referent tokens~ \ in a standard \ Layer 2: Translation layer turns input text ~ format into standard format for discourse referents. Coreference [Semantic type matching 1 nalysis for [lbr...

Tài liệu Báo cáo khoa học: "A Multimodal Interface for Access to Content in the Home" pdf

... allowing the user to ‘glue’ together references to multiple actors or directors in order to constrain the search. For example, they can say “movies with THIS actor and THIS direc-tor” and point ... and directors are presented as but-tons. Pointing at (i.e., clicking on) these buttons results in a search for all of the movies with that particular actor or director, allowing users to quickly ... presented in a straightforward graphical interface similar to those found in current systems but with the addition of icons for actors and direc-tors that can be used both for unimodal GUI and...

Tài liệu Báo cáo khoa học: "A rich environment for experimentation unification grammars" potx

... intended to be read as subscripts. Three other special symbols are used: + stands for the unifica- tion operator * stands for top, the underdefined element. # stands for bottom, the overdefined ... in addition to the normal feature structures i. Introduction. The development of ud arose out of the need to have avail- able a full set of prototyping and development tools for a number ... illustration• without entering into discussion of the under- lying complexity, for which we unfortunately do not have space here, we give an exter- nal form of a lexical entry for some of the senses...

Tài liệu Báo cáo khoa học: "A COMMON FRAMEWORK FOR ANALYSIS AND GENERATION" potx

... information. 2 GENERATION Suppose we have the formula given above as a for- mal paraphrase of (1), and we want to generate an English sentence which corresponds to it. We might hope to ... used for characterising an item being referred to by an NP, which we ex- pect the application program to deal with. The responsibility for deciding whether to pronomi- nalise something, for ... choose a representation scheme, and we have to decide how to translate specific fragments of NL into it and how to combine such translated fragments to build translations of larger fragments....

Báo cáo khoa học: "A Connectionist Approach to Prepositional Phrase Attachment for Real World Texts" docx

... sense. As a result, before deciding attachment, it is first nec- essary to determine the correct sense for each word. 3 None of the preceding methods used classes for verbs. 4 For reasons of complexity, ... approach to prepositional phrase attachment disam- biguation for real world texts. Although the use of semantic classes in this task seems intuitively to be adequate, methods employed to date ... current methods do not use class information very effectively for sev- eral reasons: 1 In WordNet, a particular sense be- longs to several classes (a word belongs to a class if it falls within...

Tài liệu Báo cáo khoa học: A facile method for expression and puriﬁcation of the Alzheimer’s disease-associated amyloid b-peptide pdf

... anion-exchange chromatography in batch format, and ﬁnallyany aggregates removed using SEC. The advantage ofthis protocol is that it relies on affordable tools andcan be scaled up to any production ... incu-bated for 4 days with each of the peptides (10 lm), andcells were ﬁxed and used for immunocytochemical analyses.ImmunocytochemistryNeurons were ﬁxed in 4% paraformaldehyde for 20 minat ... reduced compared to batch mode due to its aggregation tendency. In columnmode, the peptide is bound in a concentrated mannerat the top of the column, or, if bound to the resinprior to packing the...

Tài liệu Báo cáo khoa học: "A Statistical Model for Unsupervised and Semi-supervised Transliteration Mining" pptx

... alignment-basedstring similarity for transliteration mining. Thesemethods model the conditional probability distribu-tion and require supervised/semi-supervised infor-mation for learning. We propose a ... Au-tomata (Noeman and Madkour, 2010) and Bayesian learning (Kahki et al., 2011) to learn transliterationpairs from labelled data. Our method is differentfrom theirs as our generative story ... the string pairis to be a transliteration. The counts γrsare thensummed for all multigram types q over all trainingpairs to obtain the frequencies c(q) which are used to reestimate the multigram...

Tài liệu Báo cáo khoa học: "A Gibbs Sampler for Phrasal Synchronous Grammar Induction" docx

... Figure 4. Theupdate equations are analogous to those used for the Split/Join operator in Figure 3. In order for thisoperator to be effective we need to allow greaterthan binary branching nodes, ... sampler for derivationsMarkov chain Monte Carlo sampling allows us to perform inference for the model described in 4.1without restricting the inﬁnite space of possibletranslation rules. To do ... is that we onlystore the current derivation for each training sen-tence pair (together these constitute the state ofthe sampler), but never need to reason over deriva-tion forests. By integrating...

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