Báo cáo khoa học: "A Bayesian Approach to Unsupervised Semantic Role Induction" docx
... Computational Linguistics A Bayesian Approach to Unsupervised Semantic Role Induction Ivan Titov Alexandre Klementiev Saarland University Saarbr ¨ ucken, Germany {titov|aklement}@mmci.uni-saarland.de Abstract We ... corresponds to a semantic role. If an argument key k is assigned to a role r (k ∈ r), all of its occurrences are la- beled r. Our Bayesian model encodes two...
Ngày tải lên: 17/03/2014, 22:20
... in bootstrapping to evaluate the quality of the pat- terns automatically. IE and QA approaches, due to uniqueness assumptions of the real-world rela- tions that these methods search for, have an auto- matic ... according to their dis- tributional similarity to the nouns “method” and “model”. Subsequently, the noun “method” is used to find transitive verbs and rank them according to...
Ngày tải lên: 08/03/2014, 02:21
... formalism to handle free word order in Finnish, in which noun phrases are functors that ap- ply to the verbal basic elements. Our approach treats case-marked noun phrases as functors as well; ... play an essential role in this analysis. AN OVERVIEW OF CCGs In CCGs, grammatical categories are of two types: curried functors and basic categories to which the functors can apply....
Ngày tải lên: 23/03/2014, 20:20
Báo cáo khoa học: "A Bayesian Model for Unsupervised Semantic Parsing" ppt
... stages. Similarly to core semantic roles in FrameNet, semantic roles are treated as frame-specific in our model, as our model does not try to discover any correspondences be- tween roles in different ... 2003). The aim of the semantic role labeling task is to identify all of the frames evoked in a sentence and label their semantic role fillers. We extend this task and treat s...
Ngày tải lên: 23/03/2014, 16:20
Tài liệu Báo cáo khoa học: "A Bootstrapping Approach to Named Entity Classification Using Successive Learners" pdf
... seeds are retrieved from the repository to train a decision list for NE classification. 3. The learned rules are applied to the NE candidates stored in the repository. 4. The proper names tagged ... 86.7% To benchmark the quality of the automatically constructed corpus (Table 2), the testing corpus is first processed by our parser and then saved into the repository. The reposi...
Ngày tải lên: 20/02/2014, 16:20
Tài liệu Báo cáo khoa học: "A PRAGMATICBASED APPROACH TO UNDERSTANDING" pdf
... such ques- tions implicitly by proceding to answer the ques- tion or to seek information relevant to formulat- ing an answer. However IS may refuse to accept the question posed by IP because ... pushed onto the discourse stack. [SP2]When IS poses a question to IP, Expand- Question is pushed onto the discourse stack. Once IP begins answering the question, the stack is popped...
Ngày tải lên: 21/02/2014, 20:20
Tài liệu Báo cáo khoa học: "A HYBRID APPROACH TO REPRESENTATION IN THE JANUS NATURAL LANGUAGE PROCESSOR" pot
... a role R from the class associated with A to the class associated with B. If no such role exists, the search is for a role relating the nearest ancestor of the class of A to any ancestor ... (ancestors) of a concept are com- piled and stored when the taxonomy is loaded. All roles from one concept to another are also pre- compiled and stored, maintaining the distinction be-...
Ngày tải lên: 21/02/2014, 20:20
Tài liệu Báo cáo khoa học: "A PROBABILISTIC APPROACH TO GRAMMATICAL ANALYSIS OF WRITTEN ENGLISH BY COMPUTER" pot
... subsequent modification to the system resulted in over 96 per cent of word tags being correctly assigned automatically. The remaining 3 to ~ per cent were corrected by human post-editors. ~brk is ... programs was devised to automatically produce a single level of grammatical description with one word tag representing the word class or part of speech of each word token in the c...
Ngày tải lên: 22/02/2014, 09:20
Báo cáo khoa học: A kinetic approach to the dependence of dissimilatory metal reduction by Shewanella oneidensis MR-1 on the outer membrane cytochromes c OmcA and OmcB potx
... these cytochromes have been proposed to be ter- minal Fe(III) and Mn(IV) reductases, although their role in the reduction of other metals is less well understood. To obtain more insight into this, we ... Journal compilation ª 2007 FEBS A kinetic approach to the dependence of dissimilatory metal reduction by Shewanella oneidensis MR-1 on the outer membrane cytochromes c OmcA and OmcB...
Ngày tải lên: 07/03/2014, 09:20
Báo cáo khoa học: "A new Approach to Improving Multilingual Summarization using a Genetic Algorithm" pptx
... op- eration. 3 http://www.extractor.com/ 928 Today, graph-based text representations are be- coming increasingly popular, due to their abil- ity to enrich the document model with syntactic and semantic relations. Salton ... weighted average of two “parent” vectors according to (Vignaux and Michalewicz, 1991). Formally, a new vector v will be created from two vectors v 1 and v 2 accord...
Ngày tải lên: 07/03/2014, 22:20