Báo cáo khoa học: "A robust and extensible exemplar-based model of thematic ﬁt" ppt

... compared to that of our model. Section 3 introduces three different instan-tiations of our model. The evaluation of the model and the comparison of its performance with that of the models discussed ... depen-dency vectors.3 Exemplar-based modeling of thematic ﬁt Exemplar-based models of cognition (also knownas Memory-Based Learning or instance/case-based reasoning/learning models) (Fix and Hodges, ... each of the three exemplar-based models is discussed in more de-tail.3.1 A basic k-NN model The most basic of all exemplar-based models is ak-NN model in which the preference strength of aclass...

Báo cáo khoa học: "A Comparison and Semi-Quantitative Analysis of Words and Character-Bigrams as Features in Chinese Text Categorization" potx

... as-pects of IR and TC. So it is significant to make a detailed comparison and analysis here on the relative value of words and bigrams as features in Text Categorization. The organization of this ... proportion of 2:1 into a training set and a test set. Every document has the full-text and has been entirely word-segmented7 by hand (which could be regarded as a golden standard of segmentation). ... capability of identifying OOV (out- of- vocabulary) words11, and help improve the recall of classification. The above issues state the advantages of bi-grams compared with words. But in the first and...

Báo cáo khoa học: "A Fast and Accurate Method for Approximate String Search" pptx

... applica-tion and implies that applying additional rules can-not lead to generation of better candidates. For ex-ample, both of ce” and of cer” are correct candi-dates of “oﬁce”. We view of ce” ... Golding and Roth (1999).In spelling error correction, Brill and Moore(2000) proposed employing a generative model forcandidate generation and a hierarchy of trie struc-tures for fast candidate ... highaccuracy and efﬁciency.Spelling error correction normally consists of candidate generation and candidate ﬁnal selection.The former task is an example of approximate stringsearch. Note that candidate...

Báo cáo khoa học: "A TAG-based noisy channel model of speech repairs" pdf

... and it would be interesting toinvestigate how to integrate this kind of model of speech repairs with probabilistic speech rec-ognizers.There are other kinds of joint models of reparandum and ... chan-nel model of speech repairs and has used it toidentify reparandum words. One of the advan-tages of probabilistic models is that they can beintegrated with other probabilistic models in ... recall r and f-score f, mea-sures. If ncis the number of reparandum wordsthe model correctly classiﬁed, ntis the number of true reparandum words given by the manualannotations and nmis...

Báo cáo khoa học: "A Computational Approach to the Automation of Creative Naming" ppt

... brand names. Baoet al. (2008) investigated the effects of relevance,connotation, and pronunciation of brand names onpreferences of consumers. Klink (2000) basedhis research on the area of ... between sound and meaning”(Leanne Hinton, 2006)) by investigating whether thesound of a brand name conveys an inherent mean-ing and the ﬁndings showed that both vowels and consonants of brand names ... pre-ﬁxes, sufﬁxes and roots, beginning and ending wordparts and rhymes. A shortcoming of these kinds of automatic generators is that random generation canoutput so many bad suggestions and users have...

Báo cáo khoa học: "A Context-sensitive, Multi-faceted model of Lexico-Conceptual Affect" pdf

... tens of thousands of instances of this pattern from the Web, to extract sets of adjectival properties for thousands of commonplace nouns. They show that if one estimates the pleasantness of ... stereotypes to test the effec-tiveness of (5) and (6), and thus, indirectly, of (3) and (4) and of the affective lexicon itself. Thus, we find that 96.7% of the stereotypes in +R are cor-rectly ... words, and a set +R of typically positive words. Given a few seed members of -R (such as sad, evil, etc.) and a few seed members of +R (such as happy, wonderful, etc.), we find many other candidates...

Tài liệu Báo cáo khoa học: A novel tachykinin-related peptide receptor of Octopus vulgaris – evolutionary aspects of invertebrate tachykinin and tachykinin-related peptide ppt

... diversity of neuro-peptides such as the TK and TKRP family is correla-ted with the evolution and divergence of the nervoussystem and their biological roles, and thus, functionalcharacterization of ... oct-TKRPR, TKRPR and TKR family. The amino acid sequence of oct-TKRPR was aligned with those of the TKRPRs (UTKR, NKD, STKR, and DTKR), and TKRs (mouse NK1R, NK2R and NK3R, and Ci-TK-R) usingCLUSTALW. ... neuropeptides and hor-mones is expected to contribute a great deal to ourunderstanding of the biological mechanism underlyingthe advanced behavior of Octopus and evolutionaryaspects of neuropeptides and...

Tài liệu Báo cáo khoa học: Guanidinium chloride- and urea-induced unfolding of FprA, a mycobacterium NADPH-ferredoxin reductase Stabilization of an apo-protein by GdmCl docx

... the family of glutathione reductase [8], of whichFprA is a member. The FprA monomer consists of two domains: the FAD-binding domain (residues2–108 and 324–456) consisting of the N- and C-terminalregions ... of FprA with higher concentrations of GdmClresults in signiﬁcant loss of secondary structure of FprAdue to unfolding of protein under these conditions.Changes in the molecular properties of ... confor-mation. A similar compaction of native conformation of FprA has been reported for the treatment of proteinwith NaCl and CaCl2[9]. One of the characteristicproperties of the NaCl- or CaCl2-stabilized...

Báo cáo khoa học: A kinetic approach to the dependence of dissimilatory metal reduction by Shewanella oneidensis MR-1 on the outer membrane cytochromes c OmcA and OmcB potx

... characterized by IC50s of 10.7 lm and 81.4 lm for inhibition of OmcA and OmcB,respectively.Modes of inhibition of either OmcA or OmcBby V(V)The modes of inhibition of either OmcA- or OmcB-dependent ... 1B.Construction of the omcA– and omcB–singlemutants and of the omcA–omcB–double mutantstrains of MR-1Single omcA– and omcB–mutants and a double omcA–omcB–mutant strain of MR-1 were ... absence of OmcAresults in metal reduction rates that are 55% and 62% of those of the MR-1 parent strain for Mn(IV) and V(V), respectively [10]. Puriﬁed and dithionite-reducedpreparations of both...

Báo cáo khoa học: "A FRIENDLY AND FLEXIBLE FRONT-END FOR DATA MANAGEMENT SYSTEMS" pptx

... (DIV.NAHE = "R&D") AND (DIV.JOB = JOB.NAHE) AND (JOB.NAME = "SECRETARY") AND (JOB.CLASS = "EXECUTIVE") QUEL: range of div is dlv range of Job is Job retrieve (Job.employee,Job.address) ... questions and asks about areas outside of his authorized data base, EUFID will politely misunderstand the question and quietly log the security violation. One beauty of EUFID is its flexibility. It ... sac of possible fillers, the possible connectors, and the syncactlc position of the case relaclve co the antic 7 or event. A case may be specified as opclonal or obllgacory. A sense of an...

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