Báo cáo khoa học: "Constraint-based Sentence Compression An Integer Programming Approach" docx

... (Jing 2000), subtitle genera-tion from spoken transcripts (Vandeghinste andPan 2004) and information retrieval (Olivers andDolan 1999). Sentence compression is a complexparaphrasing task with ... provide an overviewof previous approaches to sentence compression. In Section 3 we motivate the treatment of sentence compression as an optimisation problem and for-mulate our language model and ... (Marciniak and Strube 2005).Before describing our model in detail, we in-troduce some of the concepts and terms used inLinear Programming and Integer Programming (see Winston and Venkataramanan 2003...

Báo cáo khoa học: "Discriminative Sentence Compression with Soft Syntactic Evidence" doc

... original.3. Compression rate: How much compression took place. A compression rate of 65%means the compressed sentence is 65% thelength of the original.Typically grammaticality and importance aretraded ... probability that the long sentence is an expansion of the compressed sentence. To calcu-late the channel model, both the original and com-pressed versions of every sentence in the trainingset ... training data be humanannotated with syntactic trees.3 Discriminative Sentence Compression For the rest of the paper we use x = x1. . . xnto indicate an uncompressed sentence and y =y1. ....

Tài liệu Báo cáo khoa học: "Modeling Local Coherence: An Entity-based Approach" doc

... developand evaluate coherence metrics on manually anno-tated corpora. For instance, Miltsakaki and Kukich(2000) annotate a corpus of student essays with tran-sition information, and show ... in sentences 1 and 6 (as O and X respec-tively) but is absent from the rest of the sentences.Grid Computation The ability to identify andcluster coreferent discourse entities is an impor-tant ... coherence as a function of semantic related-ness between adjacent sentences. Semantic related-ness is computed automatically using Latent Se-mantic Analysis (LSA, Landauer and Dumais 1997)from raw...

Báo cáo khoa học: "Keeping the initiative: an empirically-motivated approach to predicting user-initiated dialogue contributions in HCI" doc

... HCI and HHC and that it is not possi-ble simply to take the human-human interactionresults and transpose results for one situation tothe other.The structuring devices of the human-to-humanconstruction ... human-human interactionemploys a variety of dialogue structuring mech-anisms, ranging from meta-talk to discoursemarkers, and that some of these can usefully beemployed for automatic analysis ... interaction (termed below HHC: human-human communication) and human-computer in-teraction (HCI). The study shows signiﬁcant andreliable differences in how dialogue is being man-aged. In Section 3,...

Tài liệu Báo cáo khoa học: Crystal structure of an ascomycete fungal laccase from Thielavia arenaria – common structural features of asco-laccases ppt

... dataKinetic constants (Kmand Vmax) for rMaL, TaLcc1 andThL were determined on 2,6-DMP, syringic acid, andmethyl syringate, at both pH 4.5 and pH 6.0, in 25 mM suc-cinate buffer and 40 mM Mes ... Wealso thank the staff members at beamline ID14-1 fortheir skilled assistance, and B. Hillebrant-Chellaoui atVTT for skilful help with the TaLcc1 puriﬁcation.Roal Oy and the Academy of Finland ... membrane-bound Fet3p that cataly-ses iron oxidation [4], and phenoxazinone synthasefrom Streptomyces antibioticus [5]. Laccases are com-mon in fungi, and are also found in some higher plantsand...

Tài liệu Báo cáo khoa học: Functional characterization of an orphan cupin protein from Burkholderia xenovorans reveals a mononuclear nonheme Fe2+-dependent oxygenase that cleaves b-diketones ppt

... performed by calculating the Ramachandranplot with the program sirius (San Diego SupercomputerCenter, San Diego, CA, USA).Metal analysisThis was performed with an inductively coupled plasmaoptical ... waschecked by monitoring the position and shape of theabsorption edge on sequential scans. No changes weredetectable.Methods used in XANES and EXAFS analyseswinxas [51] was used to ﬁt the ... of CD and DLS data is gratefully acknowl-edged. B. Kuczewski and H. Wiltsche (Institute ofAnalytical Chemistry and Radiochemistry, Graz Uni-versity of Technology) are thanked for metal analysis.G....

Tài liệu Báo cáo khoa học: Vaccines against malaria – an update doc

... primary structures and known proteindomains (colored boxes) for selected vaccine candidates and lead vaccines. Cleavable signal peptides and transmembrane spans are boxedin red and black, respectively. ... reductionrather than clearance [4]. A lower parasite burden maythen account for some of the antidisease effects.In analogy to virtually any vector-borne disease,vector control and exposure prophylaxis ... majorcandidate antigens that are being developed and testedin various formulations. Strong support for these anti-gens comes from two landmark studies that addressedthe relative importance...

Tài liệu Báo cáo khoa học: Complete reconstitution of an ATP-binding cassette transporter LolCDE complex from separately isolated subunits docx

... several LolCand LolE mutants that suppress dominant negativemutants of LolD [14]. Interestingly, the suppressormutations of LolE were mostly located in the cytoplas-mic and transmembrane regions, ... membranesubunit and LolD (molecular mass ¼ 138–142 kDa),although an ABC transporter is generally composed oftwo membrane domains and two nucleotide-bindingdomains.DiscussionBacterial ABC transporters ... and 4).On the other hand, various membrane apparatuses,including ABC transporters such as maltose permease[21,23], histidine permease [24] and the LolCDEcomplex [7], and a Sec protein translocase...

Tài liệu Báo cáo khoa học: A tyrosinase with an abnormally high tyrosine hydroxylase/dopa oxidase ratio Role of the seventh histidine and accessibility to the active site docx

... enzymesshow an important variation. Usually there is anotherH residue, but in some cases an L residue is found(for instance, in the NP_519622 protein from R. solana-cearum and in all animal tyrosinase-related ... (kpir), and transform-ants selected for kanamycin resistance. The plasmid inthis strain was mobilized into spontaneous RifRR3by conjugation [17]. RSc1501 gene disruption in thetransconjugants ... with an abnormally high tyrosinehydroxylase/dopa oxidase ratioRole of the seventh histidine and accessibility to the active siteDiana Herna´ndez-Romero1, Antonio Sanchez-Amat1and Francisco...

Tài liệu Báo cáo khoa học: "Resumption strategies for an in-vehicle dialogue system" ppt

... driver utterances and 4382passenger utterances are transcribed. An annota-tion scheme was designed to enable analysis ofutterances with respect to topic change for eachdomain.Domain and topic ... what manouvres areusually cognitively demanding.The participants were audio- and videotaped,the recordings are transcribed with the transcrip-tion tool ELAN1, using an orthographic transcrip-tion. ... redundant information when comparingwith the last utterance before the interruption, andthose which did not contain and redundant infor-mation. As a redundant utterance we counted allutterances...

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