Báo cáo khoa học: "Sentiment Learning on Product Reviews via Sentiment Ontology Tree" doc
Tài liệu Báo cáo khoa học: Comparative studies on the functional roles of N- and C-terminal regions of molluskan and vertebrate troponin-I pdf
... tropo-nin-tropomyosin regulation of skeletal muscle contrac-tion. Annu Rev Biophys Biophys Chem 16, 535–559.4 Farah CS & Reinach FC (1995) The troponin complexand regulation of muscle contraction. FASEB J ... fragments of troponinC: localization of high and low affinity Ca2+bindingsites and interactions with troponin I and troponin T.J Biol Chem 253, 5452–5459.10 Johnson JD, Charlton SC & Potter ... Map-ping of a second actin-tropomyosin and a secondtroponin C binding site within the C terminus of tro-ponin I, and their importance in the Ca2+-dependentregulation of muscle contraction. J Mol...
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Tài liệu Báo cáo khoa học: "Using Multiple Sources to Construct a Sentiment Sensitive Thesaurus for Cross-Domain Sentiment Classification" doc
... sentiment classification methods on a benchmark datasetcontaining Amazon user reviews for differenttypes of products.1 IntroductionUsers express opinions about products or servicesthey consume ... 132–141,Portland, Oregon, June 19-24, 2011.c2011 Association for Computational LinguisticsUsing Multiple Sources to Construct a Sentiment Sensitive Thesaurusfor Cross-Domain Sentiment ClassificationDanushka ... which do not consider sentiment information.Moreover, we only need to retain lexical elementsin the sentiment sensitive thesaurus because whenpredicting the sentiment label for target reviews (attest...
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Tài liệu Báo cáo khoa học: "Automatic learning of textual entailments with cross-pair similarities" ppt
... International Conference on Computational Linguistics and 44th Annual Meeting of the ACL, pages 401–408,Sydney, July 2006.c2006 Association for Computational LinguisticsAutomatic learning ... relation that does not represent synonymy orsimilarity between verbs. To emphasize the contri-bution of each used resource, in the experimentalsection, we will compare Eq. 2 with some versionsthat ... idf(w) is the inverse document frequencyof the word w. For sake of comparison, weconsider also the corresponding more classicalversion that does not apply the inverse documentfrequencys2(T,...
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Tài liệu Báo cáo khoa học: "Guided Learning for Bidirectional Sequence Classification" ppt
... bidirectional(Bi-Dir) search methods. We also tested both aggres-sive learning and non-aggressive learning strategieswith beam width of 1 and 3.First, with non-aggressive learning on bidirec-tional ... novel learning frame-work, namely guided learning, to integrate classifi-cation of individual tokens and inference order selec-tion into a single learning task. We proposed a Per-ceptron like learning ... employ context features. We use a bidi-rectional search strategy (Woods, 1976; Satta andStock, 1994), and our algorithm is based on Percep-tron learning (Collins, 2002). A unique contributionof...
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Tài liệu Báo cáo khoa học: "Seeing stars: Exploiting class relationships for sentiment categorization with respect to rating scales" doc
... operational system for detectingand tracking opinions in on- line discussion. SIGIR Work-shop on Operational Text Classification.Turney, Peter. 2002. Thumbs up or thumbs down? Semanticorientation ... see Section 4 for more discussion.3.2 RegressionAlternatively, we can take a regression perspectiveby assuming that the labels come from a discretiza-tion of a continuous function mapping ... to opti-mize binary classification error, its major concern is to increaseconfidence in the positive/negative distinction, which may notcorrespond to higher confidence in separating “five stars”...
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Tài liệu Báo cáo khoa học: "Machine Learning for Coreference Resolution: From Local Classification to Global Ranking" ppt
... partitionsthan the MUC scorer, for the following reasons.First, our candidate partitions in general agree more on singleton clusters than on non-singleton clusters.Second, by employing a non-uniform ... possiblycontradictory pairwise coreference classification de-cisions and constructs a partition on the given set ofNPs, with one cluster for each set of coreferent NPs.Though reasonably successful, ... First, while the MUC scorer only rewardscorrect identification of coreferent links, B-CUBEDadditionally rewards successful recognition of non-coreference relationships. Second, the MUC scorerapplies...
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Tài liệu Báo cáo khoa học: "Two Constraints on Speech Act Ambiguity" potx
... reasoner. Plan reasoning processes unconventional forms in the same spirit as earlier plan-~ models, finding non-conventional interpretations and motivating many conventional ones. We propose ... require plan reasoning. 3. Role of Plan Reasoning Plan reasoning constitutes our second constraint on speech act recognition. There are four roles for plan reasoning in the recognition process. ... the logical connection. This must be done by plan reasoning, because it depends on world knowledge. The first sentences can request the actions they are preconditions of. The second set can...
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Tài liệu Báo cáo khoa học: "Online Learning of Approximate Dependency Parsing Algorithms" potx
... first-orderfactorization is very restrictive since it only allowsfor features to be defined over single attachmentdecisions. Previous work has shown that condi-tioning on neighboring decisions can lead ... y.The second-order model allows us to condition on the most recent parsing decision, that is, the lastdependent picked up by a particular word, whichis analogous to the the Markov conditioning ... parents.4 Online Learning and ApproximateInferenceIn this section, we review the work of McDonaldet al. (2005b) for online large-margin dependency2We are not concerned with violating the tree constraint.parsing....
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Báo cáo khoa học: Organizational constraints on Ste12 cis-elements for a pheromone response in Saccharomyces cerevisiae docx
... response. Deletion ofall four PREs eliminated the response to pheromone,and the response could be restored by insertionof oligonucleotides bearing the PRE consensus [13]. Thecontribution of ... complexes on Fig. 1. Organization of a selection of strongly inducible pheromone-responsive promoters. Schematic representation of the organizationof consensus PREs within nine of the 35 most strongly ... pheromone-responsivepromoters have none (not shown in Fig. 1). On thebasis of the results obtained in the present study, weexpect that many pheromone-responsive genes mustrely on nonconsensus...
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Báo cáo khoa học: A study on genomic distribution and sequence features of human long inverted repeats reveals species-specific intronic inverted repeats pptx
... distribution of LIRs in both intronic andintergenic regions (see Fig. S1). We also considered theeffect of the length of these regions on the distribution.The intronic and intergenic regions were ... results confirmed that LIRs tend to residein large intronic and intergenic regions. Only five LIRswere found in introns < 1 kb (the smallest intron was757 bp), and none in intergenic regions < ... provide insight into the role ofintronic LIRs in gene regulation and primate speciation.AbbreviationsFDR, false discovery rate; GO, Gene Ontology; LIR, long inverted repeats; siRNA, small interference...
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