models for sentence compression

Ngày tải lên: 31/03/2014, 01:20

... improve sentence- level prediction, using only labeled sentences for training. In a similar vein, Sauper et al. (2010) integrated gen- erative content structure models with discriminative models for ... both models dominate the supervised approach for the full range of recall values. As discussed earlier, and confirmed by Table 2, the coarse-grained model only performs well on the predominant sentence- level ... the predominant sentence- level categories for each docu- ment category. The supervised model handles nega- tive and neutral sentences well, but performs poorly on positive sentences even in positive documents. The...

Ngày tải lên: 20/02/2014, 05:20

... goal sentence length for summaries. In the first experiment, the system was given only a sentence and no sentence length informa- tion. The sentence compression problem without the length information ... sentence pairs. Thirty-two of these sentences were used for the human judgments in Knight and Marcu’s ex- periment, and the same sentences were used for our human judgments. The rest of the sentences were ... Noisy-Channel Model for Sentence Compression Knight and Marcu proposed a sentence compres- sion method using a noisy-channel model (Knight and Marcu, 2000). This model assumes that a long sentence was...

Ngày tải lên: 20/02/2014, 12:20

Ngày tải lên: 17/03/2014, 05:20

... “letter”. We look for all replacements of one sentence by another and check whether one sentence is a compression of the other. 3 We then run Collins’ parser (1997), using just the sentence pairs ... During decoding, given a long sentence, we seek the most likely short sentence that could have generated it. 1 For instance, compressions are more likely to signal op- tional information than expansions; ... sentences taken from the Ziff-Davis corpus. We solicited judgments of im- portance (the value of the retained information), and grammaticality for our compression, the KM results, and human compressions...

Ngày tải lên: 20/02/2014, 09:20

... KH&CN, TẬP 11, SỐ 03 - 2008 Trang 49 DEVELOPMENT OF AN AUTOUMATIC DATA PROCESSING FOR TRIAXIAL COMPRESSION TEST Pham Hong Thom (1) , Le Minh Son (2) , Phan Tan Tung (1) , Nguyen Tan ... exactly the results of experiment and convenience for examiner but its cost is very high. The second one has lower cost but it is inconvenience for examiner to get the testing results during test ... sometimes lasts a week, so the examiner must waste so much time for recording the parameters. The examiner also wastes time for entering all parameters and calculating the results on paper...

Ngày tải lên: 10/12/2013, 06:15

... of models should be based on the 3D thermo- hydrodynamical models for each particular environment that contains interested matter. Development of system of hydrodynamic-environmental models for ... need to build a system of models for each environment which is related to each other through the boundary conditions. In this case, we can introduce the system of models for oil slick, oil-in-water ... (2003). 3. Model for suspended particulate matter transport and bottom bathymetry evolution The model for SPM and bottom bathymetry evolution includes 2 sub -models: 3D SPM Model for water column...

Ngày tải lên: 13/02/2014, 12:20

... Chichester, West Sussex, PO19 8SQ, United Kingdom For details of our global editorial offices, for customer services and for information about how to apply for permission to reuse the copyright material ... n these models are used for design purposes, typically within a commercial simulation package. Applications in the oil and gas and chemical sectors are emphasized but models suitable for polymers ... general thermodynamic models which can describe equally successfully all types of phase equilibria at all conditions. Suitable models for high- and low-pressure phase equilibria for simple as well...

Ngày tải lên: 18/02/2014, 15:20

... subrule ADJ/ SENTENCE -FOR- SENTENCE TRANSLATION 33 SENTENCE -FOR- SENTENCE TRANSLATION 17 which defines the substructure of the input sentence in which is contained the information needed ... specifier for the output sentence should be formed. As a result part of it is formed during the analysis of the input sentence, another part during the actual pro- duction of the output sentence ... indicative of the gender of its SENTENCE -FOR- SENTENCE TRANSLATION 27 [Mechanical Translation and Computational Linguistics, vol. 8, No. 2, February 1965] Sentence -For- Sentence Translation: An Example*...

Ngày tải lên: 19/02/2014, 19:20

... consistent within a document. Results Results for both settings are shown in Ta- ble 2. GTM models the latent topics at the document level, while LTM models each sentence as a separate document. To evaluate ... unseen for a given domain s, we are already performing an implicit form of smoothing (when computing the expected counts), since each docu- ment has a distribution over all topics, and therefore we ... probability on how relevant that translation table is to the sentence. This allows us to bias the translation toward the topic of the sentence. For example, if topic k is dominant in T , p k (e|f) may...

Ngày tải lên: 19/02/2014, 19:20

... associative information between the target and the opinion, we consider the document set as a bag of sentences, and define a sentence set as   ,  ,  ,,   . For each sentence, we ... indicates sentence C contains a re- levant opinion. Similarly, we map each sentence in word pairs by the following rule, and express the intra -sentence information using word pairs. For each ... performance. In this paper, we propose a sentence- based ap- proach based on a new information representa- tion, namely topic-sentiment word pair, to cap- ture intra -sentence contextual information...

Ngày tải lên: 20/02/2014, 04:20

... incremental syntactic lan- guages models are a straightforward and appro- Moses LM(s) BLEU n-gram only 18.78 HHMM + n-gram 19.78 Figure 9: Results for Ur-En devtest (only sentences with 1-20 words) ... Association for Computational Linguistics, pages 620–631, Portland, Oregon, June 19-24, 2011. c 2011 Association for Computational Linguistics Incremental Syntactic Language Models for Phrase-based ... syntactic language models score sen- tences in a similar left-to-right fashion, and are therefore a good mechanism for incorporat- ing syntax into phrase-based translation. We give a formal definition...

Ngày tải lên: 20/02/2014, 04:20

... of person- alized models, we report the most significant fea- tures, sorted by Information Gain (IG), for three sample ASP Pers+Text models (Table 3). Interest- ingly, whereas for Pers 1 and Pers ... answer are significant, for Pers 3 non-textual features are most significant. We also report the top 10 features with the high- est information gain for the ASP and ASP Group models (Table 4). Interestingly, ... hour 0.08572 CA ratio ans ques Table 4: Top 10 features by information gain for ASP (trained for all askers) and ASP Group (trained for the group of askers with 20 to 29 questions) 4 Conclusions We...

Ngày tải lên: 20/02/2014, 09:20

... target sentences t I 1 . Therefore, the same techniques (translation models, decoder al- gorithm, etc.) which have been developed for SMT can be used in CAT. Note that the statistical models ... framework, real-time is re- quired. 4 Phrase-based models The usual statistical translation models can be classified as single-word based alignment models. Models of this kind assume that an input word ... Association for Computational Linguistics Statistical phrase-based models for interactive computer-assisted translation Jes ´ us Tom ´ as and Francisco Casacuberta Instituto Tecnol ´ ogico de Inform ´ atica Universidad...

Ngày tải lên: 20/02/2014, 12:20

... language. Those lexicon models lack from context infor- mation that can be extracted from the same paral- lel corpus. This additional information could be: Simple context information: information of the ... surrounding the word pair; Syntactic information: part-of-speech in- formation, syntactic constituent, sentence mood; Semantic information: disambiguation in- formation (e.g. from WordNet), cur- rent/previous ... fact that the algorithm for computing the -best lists is sub- optimal. Table 8: Preliminary translation results for the Verbmobil Test-147 for different contextual infor- mation and different...

Ngày tải lên: 20/02/2014, 18:20

... of the sentence and the discourse are relevant to the model. Most previous probabilistic models of parsing assume the probabilities of sentences in a discourse are independent of other sentences. ... tree that tree T* for which T" =arg maxp(T, w~) (1) T6~(~) where ~(w~) is the set of all parses produced by the grammar for the sentence w~. Many aspects of the input sentence that might ... any-consistent rate, defined as the percent- age of sentences for which the correct parse is proposed among the many parses that the gram- mar provides for a sentence. We also measure the parse base,...

Ngày tải lên: 20/02/2014, 21:20

... performance of SPATTER as a function of sentence length. SPAT- TER's performance degrades slowly for sentences up to around 28 words, and performs more poorly and more erratically as sentences ... some cases long-distance structural information is also needed. Statistical models for 282 root - the node is the root of the tree. For an n word sentence, a parse tree has n leaf nodes, ... Statistical Pattern Recognition. Doctoral dissertation. Stanford University, Stanford, Cali- fornia. 283 Statistical Decision-Tree Models for Parsing* David M. Magerman Bolt Beranek and Newman...

Ngày tải lên: 20/02/2014, 22:20

Ngày tải lên: 22/02/2014, 02:20

Ngày tải lên: 22/02/2014, 02:20

Ngày tải lên: 22/02/2014, 02:20