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

... A Connectionist Approach to Prepositional Phrase Attachment for Real World Texts Josep M. Sopena and Agusti LLoberas and Joan L. Moliner Laboratory of Neurocomputing University ... network-based approach to prepositional phrase attachment disam- biguation for real world texts. Although the use of semantic classes in this task seems intuitively to be a...

Ngày tải lên: 31/03/2014, 04:20

... Manitoba. Abstract Prepositional phrase attachment is a common source of ambiguity in natural language processing. We present an unsupervised corpus-based approach to prepositional phrase attachment ... unsupervised corpus-based approach to prepositional phrase attachment that outperforms previous unsupervised techniques and approaches the performance of supervised m...

Ngày tải lên: 08/03/2014, 05:20

... parse for a dimensional model. so on. Tables were extracted from the collected sample, automatically cleaned, and tokenized into two-dimensional array of tokens. Table 7: Example table for Figures ... by selecting specific data models for the table and its subregions. 2 Data Models for Specifying Semantic Interpretations To begin, some formal basis is needed to facilitate precise s...

Ngày tải lên: 08/03/2014, 02:21

... into several phrases before realization. Now each phrase constitute of several templates. For exam- ple let S be a sentence. Now S can be divided into phrases like P1, P2, P3… Again each phrase ... Rank(Pi)=Minimum(Counter(Tj)) for all j in Pi Now before sentence realization the phrases are ordered according to their rank. Each of these phrase orders produces a separate sen...

Ngày tải lên: 17/03/2014, 04:20

... researchers tried to encode do- 2 http://www.nlm.nih.gov/mesh/ 3 http://www.nlm.nih.gov/research/umls/ Total radiology records 1,954 Total tokens 51,940 Total ICD-9-Codes 45 Total code instances ... 67–72, Columbus, June 2008. c 2008 Association for Computational Linguistics A Hierarchical Approach to Encoding Medical Concepts for Clinical Notes Yitao Zhang School of Information Te...

Ngày tải lên: 31/03/2014, 00:20

... this approach achieves the best result within certain distortion limit and is therefore not a good model for global reorder- ing. There are a few attempts to the preprocessing approach to reordering. ... then fed to stan- dard phrase- based decoder to produce the optimal translation. Experiments show that, for the NIST MT-05 task of Chinese -to- English translation, the prop...

Ngày tải lên: 31/03/2014, 01:20

... FLEXIBLE APPROACH TO COOPERATIVE RESPONSE GENERATION IN INFORMATION-SEEKING DIALOGUES Liliana Ardissono, Alessandro Lombardo, Dario Sestero Dipartimento di Informatica - Universita' di Torino ... further questions to the user. For example, if the user says that he wants to talk to the advisor for a course plan, but he does not specify which (so it is not possi- ble...

Ngày tải lên: 31/03/2014, 06:20

... bootstrapping approach to named entity (NE) classification. This approach only requires a few common noun/pronoun seeds that correspond to the concept for the target NE type, e.g. he/she/man/woman for ... method for PER NE, LOC NE, and ORG NE are 5%, 6%, and 34% respectively. The performance for PER and LOC are above 80%, approaching the performance of supervised learn...

Ngày tải lên: 20/02/2014, 16:20

... C3200 before moving on to investigate a plan for CS263. Since the teacher of C3200 has nothing to do with the plan for taking C3263, the mechanisms for retaining dialogue context will fail to iden- ... 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 ques...

Ngày tải lên: 21/02/2014, 20:20

... representational capacity to make such definitions, we have chosen as part of our design no_._tt to use it. For to use it, would mean stepping outside of NIKL to specify constants, and therefore, that the ... in formulae that lexical items map to. For in- stance, vessel and ship map to VESSEL. In the ex- ample above regarding pilot, the constants were PER- SON, FLYING-EV...

Ngày tải lên: 21/02/2014, 20:20