Báo cáo khoa học: "Learning Translations of Named-Entity Phrases from Parallel Corpora" ppt

... phrase translations from parallel cor-pora, and show that it performs withvery high coverage and accuracy inchoosing French translations of English named-entity phrases in a test corpus of software ... Learning Translations of Named-Entity Phrases from Parallel CorporaRobert C. MooreMicrosoft ResearchRedmond, WA 98052, USAbobmoore@microsoft.comAbstractWe develop a ... aug-menting knowledge of word translations withknowledge of phrase translations. Multiword phrases may have nonliteral translations, or one of several equally valid literal translations maybe...

Tài liệu Báo cáo khoa học: "Automatic Collection of Related Terms from the Web" pptx

... application of the method is auto-matic or semi-automatic compilation of a glossary ortechnical-term dictionary for a certain domain. Re-cursive application of the method enables to collect alist of ... Automatic Collection of Related Terms from the WebSatoshi Sato and Yasuhiro SasakiGraduate School of InformaticsKyoto UniversitySakyo, Kyoto, 606-8501Japansato@i.kyoto-u.ac.jp, ... or a compound noun from the compiled corpus.2. Selection by scoringTo select the top N (= 30) terms from the list Lby using a scoring function.For the scoring function of a term x, we usethe...

Tài liệu Báo cáo khoa học: "Learning to Compose Effective Strategies from a Library of Dialogue Components" doc

... and gathering of information ine.g. social dialogue. In the latter category of dia-logue systems, a high level of naturalness of interac-tion and the occurrence of longer periods of satisfac-tory ... In a num-ber of contexts, however, dialogues need to have afar greater degree of complexity not just in the num-ber of states and possible actions but also in the va-riety of dialogue acts: ... carried out a total of 572 conversa-tions with the system. Because of the variety of pos-sible exercise barriers known by the system (52 intotal) and the fact that some of these barriers aremore...

Tài liệu Báo cáo khoa học: "Semantic Classification of Noun Phrases Using Web Counts and Learning Algorithms" ppt

... this paper was twofold. Firstly, we wanted to compare the performance of different machine learning algorithms on the task of map-ping from a vector of web frequencies of para- phrases containing ... the noun phrases se-mantic relations. Over the set of 5 semantic rela-tions defined by Nastase and Szpakowicz (2003), they achieve an accuracy of 45.7% for the task of assigning one of 5 semantic ... “head joining term modifier”. We did not collect queries of the form “modifier joining term head”; in the majority of paraphrases of noun phrases the head noun occurs before the modifying word....

Báo cáo khoa học: "Learning Effective Multimodal Dialogue Strategies from Wizard-of-Oz data: Bootstrapping and Evaluation" pot

... with a simulated envi-ronment which is “bootstrapped” from smallamounts of Wizard -of- Oz (WOZ) data. Thisuse of WOZ data allows development of op-timal strategies for domains where no work-ing ... strategies are then available from theﬁrst moment of online-operation, and tedious hand-crafting of dialogue strategies is omitted. This inde-pendence from large amounts of in-domain dialoguedata ... bootstrapped from 4The ratings are normalised as some of the questions wereon different scales.a small amount of Wizard -of- Oz data, and we evalu-ated the result with real users. The use of WOZ...

Tài liệu Báo cáo khoa học: Comparative studies of endonuclease I from cold-adapted Vibrio salmonicida and mesophilic Vibrio cholerae docx

... Norwegian Structural Biology Centre, Faculty of Science, University of Tromsø, Norway2 Department of Molecular Biotechnology, Faculty of Medicine, University of Tromsø, NorwayThe marine and estuarine ... Lonhienne et al. [37]. Activation energy, Ea,was extracted from the slope of the linear regression curveobtained from an Arrhenius plot of 1 ⁄ T versus lnkcat.Stability measurementsDSC measurements ... measurementsFixed amounts of enzyme were incubated at seven differentsubstrate concentrations ranging from 23 to 1470 nm at 5,15, 25, 30 and 37 °C in a total reaction volume of 100 lL.The amounts of VsEndA...

Tài liệu Báo cáo khoa học: "AUTOMATIC ACQUISITION OF SUBCATEGORIZATION FRAMES FROM UNTAGGED TEXT" doc

... The completeness of the output list increases monotonically with the total number of occurrences of each verb in the corpus. False positive rates are one to three percent of observa- tions. ... architecture of the system, and that of this pa- per, directly reflects the three challenges described above. The system consists of three modules: 1. Verb detection: Finds some occurrences of verbs ... immediately to the right of a preposition, or immediately to the right of a main verb. Adverbs and adverbial phrases (including days and dates) are ignored for the pur- poses of case adjacency....

Tài liệu Báo cáo khoa học: "Learning Parse and Translation Decisions From Examples With Rich Context" pdf

... state of figure 1, the feature (SYNT OF OBJ OF -1 AT S-SYNT-ELEM), for example, designates the general syntactic class of the object of the first frame of the parse stack 2, in our example ... range of fea- tures, we defined a feature language. Parse features can be thought of as functions that map from par- tially parsed sentences to a value. Applied to the target parse state of ... stack and an input list. The parse stack and the input list contain trees of frames of words or phrases. Core slots of frames are surface and lexi- cal form, syntactic and semantic category,...

Báo cáo khoa học: Structure analysis of the ﬂavoredoxin from Desulfovibrio vulgaris Miyazaki F reveals key residues that discriminate the functions and properties of the ﬂavin reductase family pdf

... both of which confer reduction of a ﬂavin by receiving elec-trons from NADH or NADPH; however, these activi-ties of ﬂavoredoxin were much lower than those of A. fulgidus FeR. The FeR activity of ... of aBLAST homology search indicate that the product of this ORF is highly homologous to ﬂavoredoxins from other bacteria, especially that of D. vulgaris (Hilden-borough), with an identity of ... thatcalculated from the amino acid sequence, indicatingthat the native form of ﬂavoredoxin is a dimer.Amino acid sequence analysis of ﬂavoredoxinThe N-terminal amino acid sequence of ﬂavoredoxinfrom...

Báo cáo khoa học: Increased susceptibility of b-glucosidase from the hyperthermophile Pyrococcus furiosus to thermal inactivation at higher pressures pptx

... varies from 5.6 to 6.3 in the pressure–temperature plane of measurements for the inactivation studies when start-ing with a buffer of pH 6.0 at ambient conditions (fora graph of the pH of Mes ... conducted asa function of time. A decrease in pH of 0.5 unitscaused the enzyme inactivation constant to increase bya factor of 2–3.Temperature dependence of the FTIR spectra of b-glucosidaseFTIR ... are typical of the formation of an intermolecular antiparallel b-sheetaggregate [21].The thermal stability of b-glucosidase was assessedby plotting the temperature dependence of the peakintensity...

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