Báo cáo khoa học: "A Pilot Study of Implicit Attitude using Latent Textual Semantics" pdf

... Linguistics Genre Independent Subgroup Detection in Online Discussion Threads: A Pilot Study of Implicit Attitude using Latent Textual Semantics Pradeep Dasigi pd2359@columbia.edu Weiwei Guo weiwei@cs.columbia.edu Center ... this is the first attempt at using text similar- ity as an indication of user attitudes. We investigate the influence of the explicit and implicit a...

Ngày tải lên: 30/03/2014, 17:20

... Pilot Study of Opinion Summarization in Conversations Dong Wang Yang Liu The University of Texas at Dallas dongwang,yangl@hlt.utdallas.edu Abstract This paper presents a pilot study of opinion summarization ... Proceedings of the 49th Annual Meeting of the Association for Computational Linguistics, pages 331–339, Portland, Oregon, June 19-24, 2011. c 2011 Association for Co...

Ngày tải lên: 17/03/2014, 00:20

... Proceedings of the 12th Confer- ence of the European Chapter of the ACL (EACL 2009), pp 683–691. Ross, S., Pineau, J., Paquet, S., Chaib-draa, B., 2008, Online planning algorithms for POMDPs, Journal of ... Policy Q Learning No Off Value Q(λ) No Off Value Actor Critic - QV No On Policy IAC No On Policy NAC No On Policy DynaSARSA(λ) Yes On Value DynaQ Yes Off Value DynaQ(λ) Yes Off Val...

Ngày tải lên: 17/03/2014, 22:20

... aside from our pilot studies that suggest using a trip- tan for motion sickness prophylaxis. Limitations of this study include the small number of subjects and the inclusion of only females. ... rizatriptan for 4 of 10 subjects and more for 5 of 10 subjects. Augmentation of motion sickness by head pain was seen in 6 of 10 subjects; this effect was blunted by rizatripta...

Ngày tải lên: 26/10/2012, 09:57

... Because of the high-dimensional nature of natural language, it is often easy to generate an extremely large number of features. The challenge of parameter estimation is to find a combination of ... kind of implicit regularization, and can closely approximate the effect of L 1 regularization in a local sense (Hastie et al. 2001). Empirically, smaller values of  lead...

Ngày tải lên: 08/03/2014, 02:21

... kinetic study of sugarcane sucrose synthase Wolfgang E. Scha¨ fer 1 , Johann M. Rohwer 2 and Frederik C. Botha 3 1 Institute for Plant Biotechnology and 2 Department of Biochemistry, University of ... m M . Replacing estimated kinetic parameters of SuSy in a kinetic model of sucrose accumulation with experimentally deter- mined parameters of the partially purified isoform h ad si...

Ngày tải lên: 16/03/2014, 18:20

... Proceedings of the 47th Annual Meeting of the ACL and the 4th IJCNLP of the AFNLP, pages 941–948, Suntec, Singapore, 2-7 August 2009. c 2009 ACL and AFNLP A Comparative Study of Hypothesis ... hypothesis alignment using the same experimental data and the same multiple MT system outputs with similar features in terms of translation performance. We conduct the comparison stud...

Ngày tải lên: 17/03/2014, 01:20

... the absence of a complete glyoxalase pathway. Products of trypanosomatid metabolism of methylglyoxal In all studies to date, the principal product of thiol- dependent metabolism of methylglyoxal ... transformation of bloodstream forms of Trypanosoma brucei. Mol Biochem Parasitol 153, 220–223. 42 Sienkiewicz N, Jaroslawski S, Wyllie S & Fairlamb AH (2008) Chemical and genetic...

Ngày tải lên: 23/03/2014, 06:20

... during the reaction cycle of the enzyme. The emission spectrum of the indole group of tryptophan is highly dependent on the nature of its environment. The emission maximum of free indole is near ... The spectrum of the oxidized Cys35Ala mutant has an emission maximum of 340 nm, similar to the wild-type oxidized protein. The spectrum of the reduced protein showed no blue-shift...

Ngày tải lên: 23/03/2014, 07:20

... course of measurements. All measurements were obtained using a 10-mm path length quartz cell. An average of three scans at a speed of 10 nmÆ min )1 with a bandwidth of 1 nm and a response time of ... visuali- zation. One mole of genistein is bound per mole of HSA with a binding constant of 1.5 ± 0.2 · 10 5 m )1 . Binding of genistein to HSA precludes the attachment of da...

Ngày tải lên: 23/03/2014, 11:20