Báo cáo khoa học: "Evaluating language understanding accuracy with respect to objective outcomes in a dialogue system" doc

... 2012.c2012 Association for Computational LinguisticsEvaluating language understanding accuracy with respect to objective outcomes in a dialogue systemMyroslava O. Dzikovska and Peter Bell and Amy Isard ... 2006. Understanding complex nat-ural language explanations in tutorial applications. In Proceedings of the Third Workshop on ScalableNatural Language Understanding, ScaNaLU ’06,pages 17–24.Lars ... USA.Diane Litman, Johanna Moore, Myroslava Dzikovska,and Elaine Farrow. 2009. Using natural lan-guage processing to analyze tutorial dialogue cor-pora across domains and modalities. In Proceed-ings...

Báo cáo khoa học: "Transparent combination of rule-based and data-driven approaches in a speech understanding architecture" pot

... Transparent combination of rule-based and data-driven approaches in a speech understanding architectureManny Rayner and Beth Ann HockeyRIACS, Mail Stop T2 7A- 2NASA Ames Research CenterMoffett ... word N-grams. The available data is used to train statisticswhich evaluate each feature's reliability as a pre-dictor of each semantic atom. When only smallamounts of data are used, ... creationtool starts with the data in the annotated trainingcorpus, and collects all unique pairs ((Atom),(Transcription)) such that there is some trainingexample(Wavfile) (Atoms) (Transcription)where...

Báo cáo khoa học: "Evaluating Centering-based metrics of coherence for text structuring using a reliably annotated corpus" doc

... distinguishing feature isthat we assume a search-based approach to textstructuring (Mellish et al., 1998; Kibble andPower, 2000; Karamanis and Manurung, 2002) in which many candidate orderings of clausesare ... et al., 2004) as the do-main of our experiments because it is reliablyannotated with features relevant to Centeringand contains the genre that we are mainly in- terested in. To sum up, in ... especially with respect to M.KP and M.CHEAP which are overwhelm-ingly beaten by the baseline in the new do-main as well. Also note that since M.BFP fails to overtake M.NOCB in MPIRO, the baselinecan...

Báo cáo khoa học: "Stochastic Language Generation Using WIDL-expressions and its Application in Machine Translation and Summarization" pot

... 3) in a summarization application that aims at producingboth informative and ﬂuent headlines. Our head-lines are generated in an abstractive, bottom-upmanner, starting from words and phrases. ... in a ﬁrst phase,symbolic knowledge to (over)generate a large setof candidate realizations, and, in a second phase,statistical knowledge about the target language (such as stochastic language ... translations corre-sponding to a Chinese span , we use a prob-abilistic beam and a histogram beam to beamout low probability translation alternatives. At thispoint, eachspan is “tiled” with...

Báo cáo khoa học: "Circadian pattern of activation of the medical emergency team in a teaching hospita"

... impor-tant to gain insight into the possible processes that lead to MET calls and to understand their circadian variation in order to plan appropriate staff allocation.We recently reported that ... opinion [5]that appropriately trained medical staff should be available on a 24-hour basis to assess and treat acutely ill hospital patients.Utilization of a MET system has been associated with ... communicated by the switchboard operatorsthrough the hospital loudspeakers and paging system, and a detailed log of all calls is maintained.Criteria for medical emergency team activationCalling...

Tài liệu Báo cáo khoa học: "Combining Lexical Semantic Resources with Question & Answer Archives for Translation-Based Answer Finding" doc

... training dataare comparatively smaller than WAQ and WAQA,they however yield comparable results. The linearcombination of datasets (WAQ+WAQA+LSRLin)yields statistically signiﬁcant performance ... time that word -to- word translation probabilities are used for rankingword-pairs with respect to their semantic related-ness.3 Parallel Datasets In order to obtain parallel training data for ... retrieval. The main draw-back lies in the availability of suitable training datafor the translation probabilities. Berger and Laf-ferty (1999) initially built synthetic training dataconsisting...

Báo cáo khóa học: O-acetylation and de-O-acetylation of sialic acids in human colorectal carcinoma docx

... carcinoma, O-acetylation, sialate-O-acetyl-esterase, sialate-7(9)-O-acetyltransferase, sialic acids.Sialic acids consist of a family of acidic nine-carbon sugarsthat are typically located at ... detected in individual bacterialstrains and in faecal extracts from normal individuals, whichcan facilitate the action of sialidase and thus the degradationof mucin oligosaccharides, has been ... report that in certain tissuesOAE activity was detected that did not coincide with a protein cross-reacting with an antibody directed against a 69amino-acid sequence shared by OAE-L and OAE-C....

Báo cáo khoa học: "Entailment-based Text Exploration with Application to the Health-care Domain" pot

... LinguisticsEntailment-based Text Exploration with Application to the Health-care DomainMeni AdlerBar Ilan UniversityRamat Gan, Israeladlerm@cs.bgu.ac.ilJonathan BerantTel Aviv UniversityTel Aviv, Israeljonatha6@post.tau.ac.ilIdo ... allows exploration by topic rather thancontent. Put differently, we can only explore accord-ing to what a document is about rather than what a document actually says. For instance, the facetsfor ... based on a single hierarchical conceptual clustering of infor-mation (Hofmann, 1999), enabling the user to drillup and down the concept hierarchies. Hierarchi-cal faceted meta-data (Stoica...

Báo cáo khoa học: Novel diadenosine polyphosphate analogs with oxymethylene bridges replacing oxygen in the polyphosphate chain pdf

... prom-ising for the noninvasive characterization of vascular in ammation [19].Of various Apn A analogs investigated so far aspotential substrates and/or inhibitors of speciﬁc Ap4 A hydrolases, ... Kivalues in the nanomolar range [17].Finally, potential medical application has been demon-strated for AppCHClppA, a competitive inhibitor ofADP-induced platelet aggregation, which plays a central ... give ATP analogue 18 puri-ﬁed by DEAE-Sephadex chromatography. Reaction of18 with AMP morpholidate 19 led to target product 3after DEAE-Sephadex column chromatography using a linear gradient...

Báo cáo khoa học: "Speakers’ Intention Prediction Using Statistics of Multi-level Features in a Schedule Management Domain" ppt

... according to a personal lin-guistic sense in a real dialogue. To overcome this problem, we assume that n utterances in a dialogue can be generalized by a set of linguistic features containing ... predefined in- tentions at each dialogue step. 3 Evaluation 3.1 Data sets and experimental settings We collected a Korean dialogue corpus simulated in a schedule management domain such as ap-pointment ... 1996), and a plan-based model (Litman, 1987). However, a finite-state model has a weak point that dialogue flows should be prede-fined. Although a plan-based model can manage complex dialogue...

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