Tài liệu Báo cáo khoa học: "A study of Information Retrieval

Tài liệu Báo cáo khoa học: "A study of Information Retrieval weighting schemes for sentiment analysis" doc

... presented a study of document representations for sentiment analysis using term weighting functions adopted from information retrieval and adapted to classiﬁcation. The pro- posed weighting schemes ... from Information Retrieval (IR) and adapt it to the domain of sentiment classiﬁcation. 3.1 The classic tf.idf weighting schemes The classic tf.idf formula assigns...

Ngày tải lên : 20/02/2014, 04:20

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Tài liệu Báo cáo khoa học: "A Comparison of Alternative Parse Tree Paths for Labeling Semantic Roles" ppt

... some of the constraints used in Minpar A. In- stead of using all the information contained at a node, in Minipar B we only encode a path with its part of speech and relational information. For ... policy, an agreement of 92.8% was achieved among annotators for the set of start and stop locations for arguments. Examples of semantic role annotations in our corpus fo...

Ngày tải lên : 20/02/2014, 12:20

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Tài liệu Báo cáo khoa học: A role of miR-27 in the regulation of adipogenesis ppt

... adipocyte formation, without affecting myogenic differentiation. We also found that expression of miR-27 resulted in blockade of expression of PPARc and C ⁄ EBPa, the two master regulators of adipogenesis. ... that downregulation of miR-27 is not sufﬁcient to promote adipogenesis. We performed a time course study to gain further insights into the role of miR-27 during different...

Ngày tải lên : 18/02/2014, 08:20

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Tài liệu Báo cáo khoa học: A FYVE-containing unusual cyclic nucleotide phosphodiesterase from Trypanosoma cruzi docx

... X. Lan Vu for their technical assistance, R. Brun of the Swiss Trop- ical Institute, University of Basel, for T. cruzi cultures, the laboratory of J. H. Hurley (NIH, Bethesda, MD, USA) for providing ... MD, USA) for providing expression plasmids for Vps27p- FYVE-GST fusion proteins, Peter Buetikofer (Institute of Molecular Biology, University of Bern) for providing pho...

Ngày tải lên : 19/02/2014, 07:20

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Tài liệu Báo cáo khoa học: "A Ranking-based Approach to Word Reordering for Statistical Machine Translation" doc

... Proceedings of the 50th Annual Meeting of the Association for Computational Linguistics, pages 912–920, Jeju, Republic of Korea, 8-14 July 2012. c 2012 Association for Computational Linguistics A ... Reordering for Statistical Machine Translation ∗ Nan Yang † , Mu Li ‡ , Dongdong Zhang ‡ , and Nenghai Yu † † MOE-MS Key Lab of MCC University of Science and Technology of Chin...

Ngày tải lên : 19/02/2014, 19:20

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Tài liệu Báo cáo khoa học: "a Precision-Order-Recall MT Evaluation Metric for Tuning" pdf

... value of n varied by condition: we chose the top 20% of zh-en small, top 20% of en- de, top 50% of fr-en and top 40% of zh-en large. We then randomly picked 450 of these examples to form the ... Proceedings of COLING. 939 Proceedings of the 50th Annual Meeting of the Association for Computational Linguistics, pages 930–939, Jeju, Republic of Korea, 8-14 July 2012. c...

Ngày tải lên : 19/02/2014, 19:20

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Tài liệu Báo cáo khoa học: "A Feature Based Approach to Leveraging Context for Classifying Newsgroup Style Discussion Segments" pptx

... other. For the two argumentation dimensions, the most natural application of sequential learning tech- niques is by defining the history of a span of text in terms of the sequence of spans of text ... mini- mum of all cosine distance measures between the vector representation of the span of text and that of each of the spans of text in all parent messages, 74 wh...

Ngày tải lên : 20/02/2014, 12:20

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Tài liệu Báo cáo khoa học: A selenium-containing single-chain abzyme with potent antioxidant activity docx

... Laboratory of Molecular Enzymology and Engineering of Ministry of Education, Jilin University, Changchun, P. R. China; 2 Key Laboratory for Supramolecular Structure and Materials of Ministry of Education, ... °C, respectively, similar to those of native GPX [29]. In this study, we constructed a biological model of ROS-induced mitochondrial damage to study the ability of S...

Ngày tải lên : 21/02/2014, 00:20

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Tài liệu Báo cáo khoa học: "A SNAPSHOT OF KDS A KNOWLEDGE" pot

... state of the reader. 3. To achieve the desired state of the reader requires more than a single sentence. R ESULTS This is not the forum for a extensive analysis of our results; for details, ... constraints: 1. The source of information Is a semantic net, having no a priori structuring to facilitate the outputtlng task. This represents the most elaborate performance of...

Ngày tải lên : 21/02/2014, 20:20

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Tài liệu Báo cáo khoa học: "A GENERALIZATION OF THE OFFLINE PARSABLE GRAMMARS" doc

... f'mite set of symbols, so there is only a finite number of strings of given length L, and it has a finite number of rules, so there is only a finite number of possible parse trees of given depth ... algorithm for this problem. Let C a be the set of pairs [A,B] such that A B by a tree of depth n. Clearly C t is the set of pairs [A,B] such that (A ) B) is a rule...

Ngày tải lên : 21/02/2014, 20:20

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