Báo cáo khoa học: Combining theoretical analysis and experimental data generation reveals IRF9 as a crucial factor for accelerating interferon a-induced early antiviral signalling pdf

... Journal compilation ª 2010 FEBS Combining theoretical analysis and experimental data generation reveals IRF9 as a crucial factor for accelerating interferon a- induced early antiviral signalling Tim ... innate antiviral response. A key signalling pathway activated by IFNa is the Janus kinase ⁄signal transducer and activator of transcription (JAK ⁄ STAT) pathway.Major components of the pathway ... UÆmL)1IFNa, and RNA was extracted at the indicated time points. (A) Quanti-tative real-time PCR analysis of four sample genes. For each gene, the integrated response was calculated for early (4 h) and...

Báo cáo khoa học: "Combining Coherence Models and Machine Translation Evaluation Metrics for Summarization Evaluation" doc

... Text Analysis Conference (TAC). DUC and TAC also manuallyevaluated machine generated summaries by adopt-ing the Pyramid method. Besides evaluating withROUGE/BE and Pyramid, DUC and TAC also askedhuman ... Models and Machine Translation Evaluation Metrics for Summarization EvaluationZiheng Lin†, Chang Liu‡, Hwee Tou Ng‡ and Min-Yen Kan‡†SAP Research, SAP Asia Pte Ltd30 Pasir Panjang Road, ... readabilityof summaries in the AESOP task.2 Related WorkNenkova and Passonneau (2004) proposed a manualevaluation method that was based on the idea thatthere is no single best model summary...

Báo cáo khoa học: "Combining EM Training and the MDL Principle for an Automatic Verb Classiﬁcation incorporating Selectional Preferences" pot

... collocations, and verb alternations),496 and for NLP applications in sparse data situations.In this paper, we provide an evaluation based on a language model.The remainder of the paper is organised as ... verbalternations, and collocations, and (ii) as a lexicalresource for the statistical disambiguation of parsetrees.ReferencesSteven Abney and Marc Light. 1999. Hiding a Seman-tic Class Hierarchy ... approaches to an automatic induction ofsemantic verb classiﬁcations. For example, Siegel and McKeown (2000) used several machine learn-ing algorithms to perform an automatic aspectualclassiﬁcation...

Báo cáo khoa học: "Combining Textual Entailment and Argumentation Theory for Supporting Online Debates Interactions" ppt

... accepted.Deﬁnition 1. An abstract argumentation framework (AF)is a pair A, → where A is a set of arguments and →⊆ A × A is a binary relation called attack.Aim of the argumentation-based reasoning step ... inference: A ientails A jmeans that A iis more speciﬁc of A j,thus an attack towards A jis an attack also towards A i. The attacks of type 2, instead, are more rare,but they may happen in debates: ... entailment4, and cons⇒ contradiction), and casts our task as a yes/no en-tailment task. As shown in Table 1, we collected 200T-H pairs, 100 used to train the TE system, and 100to test it (each data...

Báo cáo khoa học: "Combining Orthogonal Monolingual and Multilingual Sources of Evidence for All Words WSD" pot

... The fact that TransCont usesIn-Degree internally allows for a seamless in-tegration.5 Experiments and Results5.1 Data The parallel data we experiment with are thesame standard data sets as ... orthogonal sources of evidence to create a state-of-the-art system for the task of WSD disam-biguation for AW. Our approach yields an over-all global F measure of 64.58 for the standardSV2AW data ... and adverb target words.Our overall results on all the data sets clearlyoutperform the baseline as well as state-of-the-art performance using an unsupervised system(SM07) in overall f-measure...

Báo cáo khoa học: "Semitic Morphological Analysis and Generation Using Finite State Transducers with Feature Structures" pot

... the analysis direction, the morphotactic FSTtakes as input words in an abstract canonical form and an initial weight of TOP; that is, at this pointin analysis, no grammatical information has ... agreement af-ﬁxes. Thus, analysis of a stem should return atleast the root and the derivational category, and generation should start with a root and a deriva-tional category and return a stem. ... inparticular the derivational patterns, are handled bythe FS weights on the FST arcs and the uniﬁca-tion that takes place as accumulated weights arematched against the weights on FST arcs. As explained...

Báo cáo khoa học: "Combining Word-Level and Character-Level Models for Machine Translation Between Closely-Related Languages" ppt

... probabilities:Pr(m|e) and Pr(e|m) for MK–EN, and Pr(b|e) and Pr(e|b) for EN–BG, where m, e, and b stand for a Macedonian, an English, and a Bulgarian word.Then, following (Callison-Burch et al., 2006; Wu and Wang, ... lit-erature have the same problem as they are usuallybased on edit distance operations and ﬁnite-state au-tomata without contextual history (Jiampojamarn etal., 2007; Damper et al., 2005; Ristad and ... 2007).Macedonian Bulgarianj ,Table 1: Examples from a character-level phrase table(without scores): mappings can cover words and phrases.Certainly, translation cannot be adequately mod-eled as...

Báo cáo khoa học: "Combining Trigram-based and Feature-based Methods for Context-Sensitive Spelling Correction" docx

... be available at run time. More- over, word trigrams are ineffective at capturing long- distance properties such as discourse topic and tense. Feature-based approaches, such as Bayesian clas- ... manageably, for all confusion sets; new confusion sets can be added later without any additional training. This feature makes Trigrams a very easily expandable system. Empirical evaluation ... greatly reduces the number of parameters compared to known methods, which are based on word trigrams. This method also has the advantage that training can be done once and for all, and...

Báo cáo khoa học: "Combining Lexical, Syntactic, and Semantic Features with Maximum Entropy Models for Extracting Relations" pptx

... model the extraction as a classiﬁcation problemwith 49 classes, two for each relation subtype and a “NONE” class for the case where the two mentionsare not related. For each pair of mentions, ... the American Medical Associa-tion, or to Thomas R. Reardon or the board (an or-ganization) of the American Medical Association.Moreover, there is an explicit management rela-tion between chairman ... the ACEvalue of relation extraction. The ACE value is a NIST metric that assigns 0% value for a systemwhich produces no output and 100% value for a sys-tem that extracts all the relations and...

Báo cáo khoa học: "Test Collection Selection and Gold Standard Generation for a Multiply-Annotated Opinion Corpus" potx

... which are annotated as opinionated only by two annotators. In case A and case D, the polarities annotated by annotators are identical. In case B, the polarities annotated by two of three annotators ... gold standard; for the lenient metric, sentences with annotations agreed by at least two annotators are selected as the testing collection and the major-ity of annotations are treated as the ... by Kappa values. Kappa value gives a quantitative measure of the magnitude of inter-annotator agreement. Table 3 shows a commonly used scale of the Kappa values. Kappa value Meaning <0...

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