a generative constituentcontext model for improved grammar induction
Tài liệu A COMPREHENSIVE QUANTITATIVE MODEL FOR ANALYZING BOND REFUNDING DECISIONS pptx
... replaced by a floating-rate bond, a floating-rate bond replaced by a fixed-rate bond,and a floating-rate bond replaced by another floating-rate bond with a different index or a different margin.MOTIVATION ... have to be evaluated on a case by casebasis to calculate the exact costs or savings produced by the various interacting variables. Consequently, there is a need for an interactive computer model ... fixed-rate or floating-rate bonds can similarlybe investigated by suitably amending the appropriate input variables. Several what-if scenarios can be investigated (orsimulated) to determine breakeven...
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Tài liệu Towards a conceptual reference model for project management information systems ppt
... outlinedabove by introducing a very fundamental data structurecalled Initiative (Fig. 3). An initiative is a generalizationof any form of action that has a defined start and end dateand is unde rtaken ... rtaken to reach a goal. Therefore, an initiativemay be a program, a project, a sub-project, a pro ject phase, a work package, an activity or a task (indicated by theinheritance relationship between ... Their feasibility, profitability, and strategic impactare analyzed so that a final decision can be made regard-ing their implementation (Idea Evaluation). This phaseends with a formal go/no-go...
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Tài liệu Báo cáo khoa học: "A Hybrid Hierarchical Model for Multi-Document Summarization" ppt
... 4: Manual EvaluationsHere, we manually evaluate quality of summaries, a common DUC task. Human annotators are giventwo sets of summary text for each document set,generated from two approaches: ... this paper.In this paper, we present a novel approach thatformulates MDS as a prediction problem basedon a two-step hybrid model: a generative model for hierarchical topic discovery and a regression model ... 12Overall 24 66 2Table 4: Frequency results of manual quality evaluations.Results are statistically significant based on t-test. T ie indi-cates evaluations where two summaries are rated equal.according...
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Tài liệu Báo cáo khoa học: "A Unified Graph Model for Sentence-based Opinion Retrieval" pdf
... represented by a bag-of-word. Among the words, there is a topic term Avatar (t1) occurring twice, i.e. Avatar in A and Avatar in C, and two senti-ment words comfortable (o1) and favorite (o2) ... 4.1.1 Benchmark Datasets Our experiments are based on the Chinese benchmark dataset, COAE08 (Zhao et al., 2008). COAE dataset is the benchmark data set for the opinion retrieval track in the ... Vital <性能 不> Performance No 1373fortable (o1) are also regarded as relevant opi-nion mistakenly, creating a false positive. In re-ality comfortable (o1) describes “the seats...
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Tài liệu Báo cáo khoa học: "A Joint Statistical Model for Simultaneous Word Spacing and Spelling Error Correction for Korean" pdf
... needs a word dictionary and takes long time for searching many character combinations. 614.2 Experiment Results and Analyses We used two separate Eumjeol n-grams as lan-guage models for experiments. ... exist spaces As shown above, the performance is dependent of the language model (n-gram) performance. Jaso transition probabilities can be obtained easily from small corpus because the ... single Jaso tran- 3 Jaso is a Korean character. 4 ‘Transition’ means the correct character is changed to other character due to some causes, such as typographical errors. sition case (나와욧Æ나와요...
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Tài liệu Báo cáo khoa học: "A Phonotactic Language Model for Spoken Language Identification" pptx
... Recognition Evaluation (LRE) data. The database was intended to establish a baseline of performance capability for language recognition of conversational tele-phone speech. The database contains recorded ... identification us-ing Gaussian Mixture model tokenization, in Proc. of ICASSP. Yonghong Yan, and Etienne Barnard. 1995. An ap-proach to automatic language identification based on language dependent ... 515–522,Ann Arbor, June 2005.c2005 Association for Computational Linguistics A Phonotactic Language Model for Spoken Language Identification Haizhou Li and Bin Ma Institute for Infocomm Research...
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Tài liệu Báo cáo khoa học: "A Localized Prediction Model for Statistical Machine Translation" ppt
... paper, we present a block-based model for statis-tical machine translation. A block is a pair of phraseswhich are translations of each other. For example, Fig. 1shows an Arabic-English translation ... set of candidates. This computational advantageis the main reason that we adopt the local model in thispaper.3.3 Global versus Local ModelsBoth the global and the localized log-linear models ... Conference(HLT 04), pages 177–184, Boston, MA, May.Christoph Tillmann and Fei Xia. 2003. A Phrase-basedUnigram Model for Statistical Machine Translation. InCompanian Vol. of the Joint HLT and NAACL Confer-ence...
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Tài liệu Báo cáo khoa học: "A SPEECH-FIRST MODEL FOR REPAIR DETECTION AND CORRECTION" docx
... such as augmented transition networks (ATNs), network-based semantic grammars, case frame grammars, pattern matching and determin- istic parsers. Recently, Shriberg et al. (1992) and Bear et ... these cases as repairs, as well as to distinguish them from nonfrag- ment repairs. Thus, pausal duration may serve as a general acoustic cue for repair detection, particularly for the class ... glottalization. 5 Although interruption glottalization is usually associated with fragments, not all fragments are glottalized. In our database, 62% of fragments are not glottalized, and...
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Tài liệu Báo cáo khoa học: "A UNIFICATION-BASED PARSER FOR RELATIONAL GRAMMAR" doc
... Johnson and Paul M. Postal. Are Pair Grammar. Princeton University Press, 1980. [4] Ronald Kaplan and Joan Bresnan. Lexical- functional grammar, a formal system for grammatical representation. ... suitable for building computational relational grammars. A lexicalized SFG is sim- ply a collection of stratified feature graphs (S- graphs), each of which is anchored to a lexical item, analogous ... handle relational grammar analyses. We first in- troduce the key aspects of SFG and a lexicalized, graph-based variant of the framework suitable for implementing relational grammars. We then...
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Designing a Virtual Reality Model for Aesthetic Surgery docx
... serve as a three-dimensional atlas of the anatomy ger-mane to aesthetic surgery of the face. Althoughthese models can be viewed from any angleand made selectively transparent to illustrateanatomical ... photographs enhancedin Adobe Photoshop 7.0 and materials de-signed in Maya.RESULTS A virtual reality model of surgical superficialfacial anatomy was created. Included in this model are the ... cleft palate repair. Plast.Reconstr. Surg. 115: 236, 2005.21. Cutting, C., Oliker, A. , Khorammabadi, D., and Haddad,B. A deformer-based surgical simulator program for cleft lip and palate surgery....
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Báo cáo khoa học: "A Cascaded Linear Model for Joint Chinese Word Segmentation and Part-of-Speech Tagging" pdf
... propose a cascaded linear model for joint Chinese word segmentation and part-of-speech tagging. With a character-basedperceptron as the core, combined with real-valued features such as language models, ... at the same time, we expand boundarytags to include POS information by attaching a POSto the tail of a boundary tag as a postfix followingNg and Low (2004). As each tag is now composedof a ... ap-proach of discriminative models treats segmentationas a labelling problem by assigning each character a boundary tag (Xue and Shen, 2003), Joint S&Tcan be conducted in a labelling fashion...
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Báo cáo khoa học: "A Unified Statistical Model for the Identification of English BaseNP" pptx
... important subtask for many natural language processing applications,such as partial parsing, information retrieval andmachine translation. A baseNP is a simple nounphrase that does not contain other ... pp.218-224.COLING-ACL’98Lance A. Ramshaw and Michael P. Marcus ( InPress). Text chunking using transformation-basedlearning. In Natural Language Processing UsingVery large Corpora. Kluwer. Originally appearedin ... Treebank II,and the definition of baseNP is the same asRamshaw’s, Table 1 summarizes the averageperformance on both baseNP tagging and POStagging, each section of the whole PennTreebank was...
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Báo cáo khoa học: " A Noisy-Channel Model for Document Compression" pptx
... score for summary qualitywas not. For the Mitre data, the differences in scorebetween the Concat and Sent systems for grammati-cality and summary quality were statistically signif-icant at the ... text to assist aphasic readers. InProceedings of the AAAI-98 Workshop on IntegratingArtificial Intelligence and Assistive Technology.R. Chandrasekar, Christy Doran, and Srinivas Bangalore.1996. ... parser achieves an f-score of for EDUidentification, for identifying hierarchical spans, for nuclearity identification and for relation tagging.coherence was not. The score differences for gram-maticality,...
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Improving Recapitalization Planning - Toward a Fleet Management Model for the High-Mobility Multipurpose Wheeled Vehicle ppt
... we averaged the data over the study period rather than using panel-data analytic techniques. As more years of data on individual vehicles become available, it may be advan-tageous to adopt a ... estimated odometer reading by age, annual mileage by age, esti-mated annual down days by age, and estimated annual parts and labor cost by age. VaRooM also required economic parameters as inputs—specifically, ... 365 days per year) of data when computing averages for a vehicle. For example, if a vehicle had 485 days of EDA and usage data, the average repair cost and usage figures included only one year...
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Báo cáo khoa học: "A Tree Transducer Model for Synchronous Tree-Adjoining Grammars" pdf
... Association for Computational Linguistics A Tree Transducer Model for Synchronous Tree-Adjoining GrammarsAndreas MalettiUniversitat Rovira i VirgiliAvinguda de Catalunya 25, 43002 Tarragona, Spain.andreas.maletti@urv.catAbstract A ... a special marker. Traditionally, the root label A ofan auxiliary tree is replaced by A ∅once adjoined.Since we assume that there are no auxiliary treeswith such a root label, no further adjunction ... (2006) we assumethat all adjunctions are mandatory; i.e., if an aux-iliary tree can be adjoined, then we need to makean adjunction. Thus, a derivation starting from aninitial tree to a derived...
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- a generative constituentcontext model
- a generative entitymention model
- a generative probabilistic ocr model for nlp applications
- a generative probabilistic model for multi label classification
- a generative probabilistic model of local protein structure
- a probabilistic generative model for go enrichment analysis
- a hierarchical phrasebased model for statistical machine translation
- a unified statistical model for the identification of english basenp
- a localized prediction model for statistical machine translation
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