hierarchical sequential learning for extracting opinions and their attributes

... 11-16 July 2010. c 2010 Association for Computational Linguistics Hierarchical Sequential Learning for Extracting Opinions and their Attributes Yejin Choi and Claire Cardie Department of Computer ... i) where g O and g ′ O are feature vectors defined for Opinion extraction, g P and g ′ P are feature vectors defined for Polarity extraction, and g S and g ′ S are feature vectors defined for Strength ... (e.g. Kim and Hovy (2005), Popescu and Etzioni (2005), Breck et al. (2007)), determining their polarity (e.g. Hu and Liu (2004), Kim and Hovy (2004), Wilson et al. (2005)), and determin- ing their...

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... Halliday and Hasan, 1976) on the one hand, and variation (to improve text quality and readability) on the other hand (Belz and Reiter, 2006; Foster and Oberlander, 2006) in a 50/50 dis- tribution. ... Association for Computational Linguistics:shortpapers, pages 654–659, Portland, Oregon, June 19-24, 2011. c 2011 Association for Computational Linguistics Hierarchical Reinforcement Learning and Hidden ... consis- tency (Halliday and Hasan, 1976), and variation, which influence people’s assessment of discourse (Levelt and Kelter, 1982) and generated output (Belz and Reiter, 2006; Foster and Oberlander, 2006). Also,...

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... observations and concluding re- marks, related to the following directions for future research: • HMS for Del Pezzo surfaces, and for higher-dimensional weighted pro- jective spaces (cf. §6.1 for a ... Seidel for many helpful discus- sions and explanations concerning categories of Lagrangian vanishing cycles, and to A. Kapustin for explaining some features of HMS for Hirzebruch sur- faces and ... L i and L j at p. Although Annals of Mathematics, 167 (2008), 867–943 Mirror symmetry for weighted projective planes and their noncommutative deformations By Denis Auroux, Ludmil Katzarkov, and...

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... 1247 Coalition for Affordable Housing and the Environment 483 Coalition for Affordable Housing and the Environment 1160 Coalition for Auto Insurance Competition 365 Coalition for Natural Health ... REPRESENTED ORGANIZATIONS AND THEIR LEGISLATIVE AGENTS BY REGISTRATION NUMBER FOR THE THIRD QUARTER 2002 CLIENT ORGANIZATION NAME AGENT REGISTRATION NUMBER Forbes Inc 360 Ford Motor Co 1187 Foster ... Corp 551 Cendant Corp 1224 Center for Energy & Economic Development The 1077 Center for Family Guidance 868 Center for International Education 1244 Center for Non-Profit Corp Inc 682 Central...

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... |s k |} and b ∈ {1, . . . , |s j |}, S a,b is a score of the matching between the a-th token of s k and the b-th token of s j , and M 0,0 , M 0,b and M a,0 are initially set to 0 for all a and b. The ... America. Adrian Iftene, Diana Trandab ˘ a, and Ionut Pistol. 2007. Natural language processing and knowledge repre- sentation for elearning environments. In Proc. of Applications for Romanian. Proceedings ... Jurafsky, and Andrew Y. Ng. 2004. Learning syntactic patterns for automatic hypernym discovery. In Proceedings of Advances in Neural Information Processing Systems, pages 1297–1304. Angelika Storrer and...

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... Pattern Analysis and Machine Intelligence, 27(6). John Lafferty, Andrew McCallum, and Fernando Pereira. 2001. Conditional random fields: Probabilistic mod- els for segmenting and labeling sequence ... depen- dency parsing (Collins and Duffy, 2002; McDon- ald et al., 2005), and logical form extraction (Zettle- moyer and Collins, 2005). Machine learning research for structured prob- lems have ... Collins and Nigel Duffy. 2002. New ranking algorithms for parsing and tagging: Kernels over dis- crete structures, and the voted perceptron. In Proceed- ings of the ACL. Koby Crammer and Yoram...

Ngày tải lên: 20/02/2014, 12:20

... doctors and patients diverge in their perspectives and con- cerns, and it’s a mistake to expect your doctor to always understand you. Doctors, too, have their strengths and weaknesses, and your ... supplements and over-the-counter dr ugs, as well as dosages and dosing schedules d. Name all other physicians and health care providers caring for you, and list their addresses, telephone numbers, and ... avoid contracting disease. Frequent hand washing and hand sanitizer use also are recommended. 2. Be kind and understanding to your doctor and his or her staff. Treat your doctor and his or her office staff...

Ngày tải lên: 07/03/2014, 10:20

... generic addition and multiplication operation, ⊕ and ⊗, and their identities 0 and 1. Multipli- cation and addition must be associative. Multi- plication must distribute over addition, and v ⊗ 0 9 ... sequence of target language words. For SCFG models and sequential tag- ging models, a node also corresponds to a source span and non-terminal type, but for word-based and phrase-based models, the relationship ... 30 candidates at each node and no further pruning. All decoders produced a BLEU score between 31.4 and 31.6 (small differences are accounted for by different tie-breaking behavior and OOV handling). Table...

Ngày tải lên: 07/03/2014, 22:20

... United States. Yejin Choi and Claire Cardie. 2010. Hierarchical se- quential learning for extracting opinions and their at- tributes. In Proceedings of the 48th Annual Meeting of the Association for Computational ... Bloehdorn and Alessandro Moschitti. 2007b. Structure and semantics for expressive text kernels. In In Proceedings of CIKM ’07. Stephan Bloehdorn, Roberto Basili, Marco Cammisa, and Alessandro Moschitti. ... vector and Φ a feature extractor representing a sentence x and a set y of polarity- labeled opinions. This is a high-level formulation – we still need an inference procedure for the arg max and...

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... responsibility for errors or for information which is found to be misleading. Suggestions for or descriptions of the end use or application of products or methods of working are for information only and ... for martensitic steels. STAINLESS STEELS Their properties and their suitability for welding by Björn Holmberg, M.Sc. 1 Stainless Steels Stainless Steel 02-06-26 12.40 Sida 1 after welding, for ... chemical industry and the food processing industry. The molybdenum-free steels also have very good high-temperature properties and are therefore used in furnaces and heat exchangers. Their good impact...

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... scalable and able to expand more easily than programs based entirely on brick -and- mortar classrooms. Success stories and anecdotes regarding the benefits and value of online learning for both ... high demand online courses in career planning and basic math, and optional courses in digital photography and forensic science, to motivate students while they develop the independent learning ... combination of online and onsite instruction allows students to work at their own pace, while also providing the opportunity for face-to-face feedback to improve substandard performance and gain immediate...

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