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

... LinguisticsGenre Independent Subgroup Detection in Online Discussion Threads: A Pilot Study of Implicit Attitude using Latent Textual SemanticsPradeep Dasigipd2359@columbia.eduWeiwei Guoweiwei@cs.columbia.eduCenter ... this is the ﬁrst attempt at using text similar-ity as an indication of user attitudes. We investigatethe inﬂuence of the explicit and implicit attitudes ontwo genres of data, one more formal ... Example of Agreement based on Implicit Attitude WIKI CDMedian No. of Discussants (n) 6 29Predicted No. of Clusters (n2) 2 4Median No. of Actual Classes 3 3Table 2: Number of Clusters3.3...

Báo cáo khoa học: "A Pilot Study of Opinion Summarization in Conversations" docx

... Pilot Study of Opinion Summarization in ConversationsDong Wang Yang LiuThe University of Texas at Dallasdongwang,yangl@hlt.utdallas.eduAbstractThis paper presents a pilot study of opinionsummarization ... 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 Computational LinguisticsA Pilot Study ... in 2008. The task was to produce summaries of opinions on speciﬁed targets from a set of blogdocuments. In this study, we investigate this prob-lem using spontaneous conversations. The problemis...

Báo cáo khoa học: "A Comparative Study of Reinforcement Learning Techniques on Dialogue Management" pdf

... Proceedings of the 12th Confer-ence of the European Chapter of the ACL (EACL2009), pp 683–691.Ross, S., Pineau, J., Paquet, S., Chaib-draa, B., 2008,Online planning algorithms for POMDPs, Journal of ... PolicyQ Learning No Off ValueQ(λ) No Off ValueActor Critic - QV No On PolicyIAC No On PolicyNAC No On PolicyDynaSARSA(λ) Yes On ValueDynaQ Yes Off ValueDynaQ(λ) Yes Off ValueDynaAC-QV ... pp150–174.31Proceedings of the EACL 2012 Student Research Workshop, pages 22–31,Avignon, France, 26 April 2012.c2012 Association for Computational LinguisticsA Comparative Study of Reinforcement...

Báo cáo y học: "A pilot study of rizatriptan and visually-induced motion sickness in migraineu"

... 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 rizatriptan in 4 of these 6 subjects. ... Practice and the study protocol was approved by a local Institutional Review Board. Each study participant provided informed consent prior to study enrollment. For this pilot study, data from...

Báo cáo khoa học: "A Comparative Study of Parameter Estimation Methods for Statistical Natural Language Processing" potx

... 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 L1 regularization in a local sense (Hastie et al. 2001). Empirically, smaller values of  lead to smaller numbers of ... Performance of the application is measured in terms of character error 2 The result of ME/L2 is better than that reported in Andrew and Gao (2007) due to the use of the variant of L2-regularized...

Báo cáo khoa học: A kinetic study of sugarcane sucrose synthase pdf

... kinetic study of sugarcane sucrose synthaseWolfgang E. Scha¨ fer1, Johann M. Rohwer2and Frederik C. Botha31Institute for Plant Biotechnology and2Department of Biochemistry, University of ... mM.Replacing estimated kinetic parameters of SuSy in a kineticmodel of sucrose accumulation with experimentally deter-mined parameters of the partially purified isoform h ad sig-nificant effects on model ... been published recently [1–3]. Of these approaches,MCA [4,5] is particularly useful in studies of metabolicpathways, as it quantifies the d egree of c ontrol of individu alreaction steps o...

Báo cáo khoa học: "A Comparative Study of Hypothesis Alignment and its Improvement for Machine Translation System Combination" pot

... 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 AFNLPA 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 study and other ... work of (He et al., 2008), we keep the link which has the highest similarity measure (,)jiSe e′ based on surface matching score, such as the length of maximum common subsequence (MCS) of...

Báo cáo khoa học: A comparative study of methylglyoxal metabolism in trypanosomatids potx

... theabsence of a complete glyoxalase pathway.Products of trypanosomatid metabolism of methylglyoxalIn 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 & FairlambAH (2008) Chemical and genetic validation of dihydrofolate ... Theabsence of GLO1 in T. brucei was conﬁrmed by the lack of GLO1 activityin whole cell extracts, failure to detect a GLO1-like protein on immuno-blots of cell lysates, and lack of d-lactate...

Báo cáo khoa học: A comparative study of type I and type II tryparedoxin peroxidases in Leishmania major pot

... during the reaction cycle of the enzyme. The emission spectrum of the indolegroup of tryptophan is highly dependent on the nature of its environment. The emission maximum of freeindole is near ... The spectrum of the oxidizedCys35Ala mutant has an emission maximum of 340 nm, similar to the wild-type oxidized protein. Thespectrum of the reduced protein showed no blue-shift of the emission ... were identiﬁed using the genomedatabase GeneDB (http://www.genedb.org/). The completeORF of LmjF26.0820 (TDPX1) was ampliﬁed by PCRfrom genomic DNA of L. major Friedlin strain using for-ward...

Báo cáo khoa học: A spectroscopic study of the interaction of isoﬂavones with human serum albumin pdf

... course of measurements. Allmeasurements were obtained using a 10-mm path lengthquartz cell. An average of three scans at a speed of 10 nmÆmin)1with a bandwidth of 1 nm and a response time of ... visuali-zation. One mole of genistein is bound per mole of HSA with a bindingconstant of 1.5 ± 0.2 · 105m)1. Binding of genistein to HSA precludesthe attachment of daidzein. The ability of HSA to bind ... bymeasuring the absorbance of solution and using a molarFig. 11. Molecular visualization of binding of genistein with HSA–warfarin complex.The crystal structure of HSA–warfarin complex(PDB...

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