Báo cáo khoa học: "Searching for Topics in a Large Collection of Texts" doc

... Fuzzyclustering allows for some ambiguity in the data,and its main advantage over hard clustering isthat it yields much more detailed informationon the structure of the data (cf. (Kaufman andRousseeuw, ... in a training collection. Thetask of -optimization leads to a system of linearinequalities, which we solve via linear program-ming. As there is no scope for this issue here, wecannot go into ... @ufal.mff.cuni.czjiri.divis@atlas.czAbstractWe describe an original method thatautomatically finds specific topics in a large collection of texts. Each topic isfirst identified as a specific cluster of texts and then...

Báo cáo khoa học: "PARASESSION ON TOPICS IN INYEZRACIXVE DISCOURSE INFLUENCE OF THE PROBLEM CONTEXT*" potx

... is involved also. This is so because information sharing facilitates in- formation seeking, for example 2 , when Pl explains the structure of the data base to P2, so that P2 can engage in infor~nation ... distin- guish the types depending on whether an information or information sharin~ interaction zs involved. C interaction is przmarily information seeking, although some sharing interaction ... has more of a service function than types A and B which have more of ~ining function. Training in- volves more of information sharing, while service in- volves more of providing infornmtion...

Tài liệu Báo cáo khoa học: "Identifying Linguistic Structure in a Quantitative Analysis of Dialect Pronunciation" docx

... ’Wash-ington’ or the second vowel in the word ’thirty’.Factor analysis has shown that 3 factors are most im-portant, explaining 35% of the total amount of vari-ance. The main drawback of applying ... Multidimensional scaling is data analysistechnique that provides a spatial display of the datarevealing relationships between the instances in thedata set (Davison, 1992). On both the maps thebiggest ... Aggregate Analysis In the ﬁrst phase of this project L04 toolkit was used in order to make an aggregate analysis of Bulgariandialects. In this section more information on the dataset used in the...

Báo cáo khoa học: Searching for folded proteins in vitro and in silico docx

... during loop entropy selection. Thereappears to be a continuing bias towards proline and theappearance of a signiﬁcant bias towards other small aminoacids (A, G, S, T) and against amino acids ... larger average length of in- frame fragments from a protein coding frame (33 aminoacids) than noncoding frames (25 amino acids). Thepercentage of individual fragments originating from thecoding ... smallamino acids (A, G, S, T) and decreases in aliphatic,aromatic and charged amino acids. The loss of amino acidscharacteristic of hydrophobic cores, combined with anincrease in residues found in...

Tài liệu Báo cáo khoa học: "Domain-transcending mappings in a system for metaphorical reasoning" docx

... Domain-transcending mappings in a system for metaphorical reasoningJohn A. Barnden, Sheila R. Glasbey, Mark G. Lee, Alan M. WallingtonSchool of Computer Science,University of Birmingham,Birmingham ... relevant meta-phorical views: MIND IS PHYSICAL SPACEand IDEAS ARE PHYSICAL OBJECTS, con-taining the following relevant mappings:When a person's mind is being viewed as a physical space, an ... viewneutral mapping adjuncts (VNMAs)1. We regardVNMAs as standard but implicit default aspects of all view-specific metaphorical mappings. Theyare defaults in that they can, in principle,...

Báo cáo khoa học: "PLANNING FOR PROBLEM IN ADVICE-GIVING FOR MULATION DIALOGUE" pptx

... is usually bound to a restricted application domain and we can imagine that part of a dialogue is domain-dependent while another is domain-independent. Our efforts aim at designing a dialogue ... of our dialogue module consists of a set of objects among which several relations and inheritance mechanisms are defined. For instance, there are classical is -a links, part -of links (a cash-need ... Several strategies which reflect specific aspects of person-machine advice-giving dialogues are realized by incorporating planning at a high-level of dialogue. Introduction As performances and...

Báo cáo khoa học: Requirement for asparagine in the aquaporin NPA sequence signature motifs for cation exclusion docx

... leak in mammalian AQP1, which may explain why 99% of all AQPs carry Asn at the NPA sites.ResultsNatural replacement of Asn in the NPA motifs israreInspection of the b-proteobacterial genome data ... cloning and mutational analysis of a novelaquaglyceroporin carrying one SPA motif instead of the NPA motif fromBurkholderia cenocepacia, an epidemic pathogen of cystic ﬁbrosis patients. Of 1357 ... for asparagine in the aquaporin NPAsequence signature motifs for cation exclusionDorothea Wree1, Binghua Wu1, Thomas Zeuthen2and Eric Beitz11 Department of Pharmaceutical and Medicinal...

Báo cáo khoa học: "Atestbed for research in origins of language" doc

... demonstrates how a coherent shared language can evolve in a population of agents as a result of repeated language games - stylised interactions involving the exchange of linguistic information. ... be available to all experiments that can make use of a similar representation. The approach taken in Babel has been to sep- arate out the task of data collection from the task of data display. ... description language that specifies the type, range and default val- ues for each parameter. Parameters declared in this way are automatically accessible for editing through the parameter editor, and...

Tài liệu Báo cáo khoa học: Bone morphogenetic proteins in the early development of zebraﬁsh pptx

... synthesized in the Spemannorganizer, namely Follistatin, Chordin and Noggin[12]. These proteins are antagonists of BMP and othermembers of the TGF-b family, binding to and inhibit-ing these signaling ... 2963Mutations in BMP regulatorsMutation in the BMP binding protein Chordin causesthe dino mutant [23,24]. dino mutants show a ventral-ized phenotype (V2), with a small head and a large tail. ... theposition as a major model species for early develop-mental studies during the past decade. With zebraﬁsh, large- scale mutagenesis screens have been performed,strains carrying mutation for genes involved...

Tài liệu Báo cáo khoa học: "Liars and Saviors in a Sentiment Annotated Corpus of Comments to Political debates" pdf

... and negative opinions? Finally, approaches to opi-nion mining have implicitly assumed that the prob-lem at stake is a balanced classification problem, based on the general assumption that ... where a multiplicity of sentiments for a variety of topics and corresponding targets are potentially involved (Riloff and Wiebe., 2003; Sarmento et al., 2009). Alternative approaches to automatic ... LinguisticsLiars and Saviors in a Sentiment Annotated Corpus of Comments to Political debates Paula Carvalho Luís Sarmento University of Lisbon Labs Sapo UP & University of Porto Faculty of...

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