Báo cáo khoa học: "Unsupervised Bilingual Morpheme Segmentation and Alignment with Context-rich Hidden Semi-Markov Models" pdf

... ﬁnal results are compared with a few super-vised systems as the mention-ranking model (De-nis and Baldridge, 2007) and systems compared intheir paper, and Charniak and E lsner’s (2009) unsu-pervised ... values – male, female, neuter and unknown; none of three values – plural, singular and unknown and e around eight values.Note that postis used in both hidden states and observation states. While ... Lectures on government and binding. Foris, Dordercht.H.H. Clark and CJ Sengul. 1979. In search of refer-ents for nouns and pronoun s. Memory & Cognition,7(1):3 5–41.P. Denis and J. Baldr idge....

Tài liệu Báo cáo khoa học: "Answer Extraction, Semantic Clustering, and Extractive Summarization for Clinical Question Answering" pdf

... informationabout over 1 million biomedical concepts and 5million concept names. This and related resourcesallow us to explore knowledge-based techniques with substantially less upfront investment.Naturally, ... rec-ommend a particular course of action without con-sidering all these factors.Our approach seeks to balance conciseness and completeness by providing hierarchical and inter-842active “answers” that ... drugs, falling under the semantic typePHARMACOLOGICAL SUBSTANCE and a few oth-ers. All such entities are identiﬁed as candidates and each is scored based on a number of features:its position...

Báo cáo khoa học: 2-Hydroxyisocaproyl-CoA dehydratase and its activator from Clostridium difﬁcile pdf

... size) and loaded a DEAE-Sepharose fast-ﬂow column (3 · 10 cm)equilibrated with buffer A. The column was washed with 70 mL buffer A and the proteins were eluted at a rate of3mLÆmin)1 with a ... detected by HPLC comparing with FMN, FAD and riboﬂavin standards. After oxi-dation with air the UV-visible spectrum of the super-natant showed a new peak at 300 nm and a shoulderaround 325 ... for activity with- out further activation and the reaction mixture was loadedon a 5 mL Strep-Tactin MacroPrep column, previouslyreduced with 50 mm Mops pH 7.0, 5 mm dithiothreitol and 0.1 mm...

Báo cáo khoa học: "The Modulation of Cooperation and Emotion in Dialogue: The REC Corpus" pdf

... recorded with Ag AgC1 elec-trodes attached to the palmar surface of the second and third fingers of the non dominant hand, and recorded at a rate of 200samples/second. Artefacts due to hand move-ments ... Corpus. Language and Speech, 34:351-366 Anderson A. H., and Boyle E. A. 1994. Forms of in-troduction in dialogues: Their discourse contexts and communicative consequences. Language and Cognitive ... questions are how language and gesture correlate with each other (Kipp et al., 2006) and how emotion expression modifies speech (Magno Caldognetto et al., 2004) and gesture (Poggi, 2007)....

Báo cáo khoa học: Transport of L-arginine and nitric oxide formation in human platelets pdf

... elevation, and the eﬀect on NO and cGMPwere closely related. It is likely that theL-arginine transportsystems y+ and y+L are both involved in supplying sub-strate for NO production and regulation ... macro-phages and endothelial cells [8]. Moreover experimental[9–11] and clinical studies [12–15] demonstrated that thedecrease of vascular and platelet NO activity can be reversedby oral and intravenous ... dependent, interacts with the neutralamino acids with low afﬁnity and is selectively inhibitedby N-ethylmaleimide [20]. The speciﬁcity of system y+isrestricted to cationic amino acids and the activity...

Tài liệu Báo cáo khoa học: "Unsupervised Discourse Segmentation of Documents with Inherently Parallel Structure" pdf

... (Eisenstein and Barzilay, 2008) and then use the pairwise alignment to ﬁnd their best alignment to the segments of the story.Our model We evaluate our joint model of seg-mentation and alignment both with ... poor segmentation and alignment quality.To address this problem, we construct a non-parametric Bayesian model for joint segmenta-tion and alignment of parallel parts. In com-parison with ... LinguisticsUnsupervised Discourse Segmentation of Documents with Inherently Parallel StructureMinwoo Jeong and Ivan TitovSaarland UniversitySaarbr¨ucken, Germany{m.jeong|titov}@mmci.uni-saarland.deAbstractDocuments...

Tài liệu Báo cáo khoa học: "Unsupervised Search for The Optimal Segmentation for Statistical Machine Translation" doc

... and Sadat, 2006; Oﬂazer and DurgarEl-Kahlout, 2007; Bisazza and Federico, 2009).However, the effect of segmentation on transla-tion performance is indirect and difﬁcult to isolate(Lopez and ... choice isthe post -segmentation alignment accuracy. How-ever, Elming et al. (2009) show that optimizing segmentation with respect to alignment error rate(AER) does not improve and even degrades ... sentences with average sen-tence length 5.6 and 7.7 words for Turkish and English, respectively. The test corpus consistedof 1,512 sentences with 16 reference translations.We used GIZA++ (Och and...

Tài liệu Báo cáo khoa học: "Unsupervised Segmentation of Chinese Text by Use of Branching Entropy" pdf

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Báo cáo khoa học: "Unsupervised Sense Disambiguation Using Bilingual Probabilistic Models" pdf

... sec-ondary language (Spanish). and . We use the shorthandfor .2.2 The Sense ModelThe Sense Model makes the assumption, inspiredby ideas in Diab and Resnik (2002) and Ben-gio and Kermorvant (2003), ... government actions and the second deals with murder and accidental deaths. The penulti-mate concept is interesting because it deals with dif-ferent kinds of association and involves three dif-ferent ... main inspiration for our work is Diab and Resnik (2002), who use translations and linguisticknowledge for disambiguation and automatic sensetagging. Bengio and Kermorvant (2003) presenta graphical...

Tài liệu Báo cáo khoa học: "Unsupervised Semantic Role Induction with Global Role Ordering" doc

... active voice with sequence(A0, P REDICA T E, A1) and sentence b is in passivevoice with sequence (A1, P R EDICAT E, A0). Addi-tional global preferences, such as arguments A0 and A1 rarely ... FT).Given a frame instance with predicate p and voicevc, Figure 2 gives (i) Eq. 1: the joint distributionof the ordering o, role sequence r, and constituentsequence f , and (ii) Eq. 2: the marginal ... ordering o} (2)Figure 2: ri and fidenote the role and features at position i respectively, and r(I) and f (I) respectivelydenote the SR sequence and feature sequence in interval I. fi,tdenotes...

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