Báo cáo khoa học: "Bayesian Network, a model for NLP?" ppt

... false positive cases), but has a low recall (many false negative cases). Any sequence with a variation is ignored by the automata and it is difficult to get exhaustive adjective and verb semantic ... Bayesian Network, a mo del for NLP? Davy Weissenbacher Laboratoire d’Informatique de Paris-Nord Universite Paris-Nord Villetaneuse, FRANCE davy.weissenbacher@lipn.univ-paris13.fr Abstrac...

Ngày tải lên: 17/03/2014, 22:20

... catalysed by PS decarboxylase, represents the only pathway for PE synthesis (reviewed in [59]). Similarly, in yeast and many mammalian cells, decarboxylation of PS is a major pathway for PE formation ... Kuroda M, Hashida-Okado T, Yasumoto R, Gomi K, Kato I & Takesako K (1999) An aureobasidin A resis- tance gene isolated from Aspergillus is a homolog of yeast AUR1, a gene resp...

Ngày tải lên: 28/03/2014, 23:20

... generative procedure of the phrase-based translation model. 3 Our Approach: Phrase-Based Translation Model for Question Retrieval 3.1 Phrase-Based Translation Model Phrase-based machine translation ... the retrieval model is based on phrase-based translation model for the answer part. 3.3 Parameter Estimation 3.3.1 Parallel Corpus Collection In Q& ;A archives, question-answe...

Ngày tải lên: 20/02/2014, 04:20

... which contains a named-entity and contains an indefinite NP in a subject position. This supports the claims in (Yang et al., 200 4a) that coreferential informa- tion is an important factor to evaluate a ... As a result, when evaluating the coreference relationship between an active mention and an entity, we can make use of the “global” information about the entity, as well as the “loca...

Ngày tải lên: 20/02/2014, 09:20

... are also referred to as text-based (TB) approach. The intentions are 1) to compare AB approach against the two TB ap- proaches, 2) to compare the ML approach against the KB approach, and 3) ... sentiment analysis problem in natu- ral language processing research. Three approaches are dominating, i.e. knowledge-based approach (Kim and Hovy, 2004), information retrieval-based approach (Tu...

Ngày tải lên: 20/02/2014, 09:20

... Research, Shannon Laboratory 180 Park Ave., Florham Park, NJ 07932, USA jdw@research.att.com Abstract This is a demonstration of a voice di- aler, implemented as a partially observable Markov ... values are computed for each action mnemonic at each template state feature vector. Finally, in the classical POMDP approach there is no straightforward way to impose rules on system behavior...

Ngày tải lên: 20/02/2014, 09:20

... unreliable machine translated labeled data, CLMM leverages bilingual parallel data to bridge the language gap between the source language and the target language. CLMM is a generative model that ... the target language are unavailable; and (2) labeled data in the target language are also available. 1 Introduction Sentiment Analysis (also known as opinion min- ing), which aims to extract t...

Ngày tải lên: 07/03/2014, 18:20

... to match the original form for number. • For verbs, generated forms had to match the original form for tense and negation. • For adjectives, generated forms had to match the original form for ... phrase translation models, two lexical models, and a brevity penalty. The proposed exponential phrase model contains several modifications relative to a standard phrase model (called...

Ngày tải lên: 07/03/2014, 22:20

... corpora. However, statistical methods may suffer from data sparseness problem, thus they require large corpora with annotated information to obtain more reliable parameters. For some ap- plication ... Here, a word is considered as a quality concept if its distance is smaller than the average distance of the vocabulary. Similarly, only the semantic patterns with a distance small...

Ngày tải lên: 08/03/2014, 02:21

... 5¢-GGGACTATGAT GATGGGTTTGTGAGGAAATGT-3¢ and 5¢-ACATTTC CTCACAAACCCATCATAGTCCC-3¢. HEL cell nuclear proteins carried by the probes were separated using strept- avidin-magnetic beads (Qiagen, Valencia, ... detect Aly ⁄ REF and Rh transcripts were for Aly ⁄ REF: sense, 5¢-CTGGTCGCAGCTTAGG AACAG-3¢ and antisense, 5¢-AATGTTCATGGGGCGGC CATC-3¢, for RH: sense, 5¢-GCAACGATACCCAGTTT GTC-3¢ and ant...

Ngày tải lên: 16/03/2014, 19:20