ccg and loglinear models
Copulas and credit models doc
... variable models (Xi,Di)1≤i≤m and (Xi,Di)1≤i≤mwithdefault indicator vectors Y and Y. The models are equivalent if1. P (Xi≤ Di)=P (Xi≤Di),i∈{1, ,m},2. X and X ... product of a scalar random variable S and a normal randomvector Z =(Z1, ,Zm). That isXd= S · Z, (3)where Z is multivariate normal with mean vector 0 and covariance matrix Σ, and S ispositive, ... freedom. The lefthand plot shows 5000 points from a standard bivariate normal distribution; the right-handplot shows 5000 points from a composite distribution with a t copula and standard normalmargins....
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Báo cáo khoa học: "Large-Scale Cross-Document Coreference Using Distributed Inference and Hierarchical Models " pptx
... multiplemethods of context similarity, and concluded thatagglomerative clustering provides effective meansof inference (Gooi and Allan, 2004). Pedersen etal. (2006) and Purandare and Pedersen (2004) inte-grate ... undirected graphical models. In NeuralInformation Processing Systems (NIPS), Workshop onLearning on Cores, Clusters and Clouds.Ben Wellner, Andrew McCallum, Fuchun Peng, and Michael Hay. 2004. ... (Blume,2005; Baron and Freedman, 2008; Popescu et al.,2008). These approaches are greedy and differ in thechoice of the distance function and the clustering al-gorithm used. Daum´e III and Marcu...
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Báo cáo khoa học: "Extracting Opinion Expressions and Their Polarities – Exploration of Pipelines and Joint Models" pot
... an104ReferencesStephan Bloehdorn and Alessandro Moschitti. 2007a.Combined syntactic and semantic kernels for text clas-sification. In Proceedings of ECIR 2007, Rome, Italy.Stephan Bloehdorn and Alessandro Moschitti. ... expressionsegmentation and polarity labeling and comparethem to the joint opinion extractor and polarity clas-sifier by Choi and Cardie (2010). Secondly, we ex-tend the global structure approach and add featuresreflecting ... Thomas Finley, and Chun-Nam Yu.2009. Cutting-plane training of structural SVMs. Ma-chine Learning, 77(1):27–59.Richard Johansson and Alessandro Moschitti. 2010a.Reranking models in fine-grained...
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Báo cáo khoa học: "Joint and conditional estimation of tagging and parsing models∗" docx
... PCFG models of linguistictree representations. Computational Linguistics,24(4):613–632.John Lafferty, Andrew McCallum, and FernandoPereira. 2001. Conditional Random Fields: Prob-abilistic models ... models. However, it would also beinteresting to compare the performance of joint and conditional estimators on more sophisticated models. ReferencesSteven Abney, David McAllester, and FernandoPereira. ... algorithm. Computer Speech and Language, 4(35-56).Andrew McCallum, Dayne Freitag, and FernandoPereira. 2000. Maximum Entropy Markov Mod-els for information extraction and segmentation. InMachine...
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Interest Rates and The Credit Crunch: New Formulas and Market Models potx
... analytically and 27Figure 5: USD swaption volatilities as of November 25, 2008. Strikes and vols are expressedas differences from the respective ATM values. Source: Bloomberg.Andersen and Andreasen ... (2005), Wu and Zhang (2006) and Zhu (2007).In the second, commonly referred to as SABR, the LMMs by Henry-Labord`ere (2007),Rebonato (2007), Mercurio and Morini (2007) and Hagan and Lesniewski ... caplets and swaptions to the double-curve case.Section 6 introduces the extended lognormal LIBOR market model and derives the FRA and forward rates dynamics under different measures and the pricing...
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Báo cáo khoa học: "Combining data and mathematical models of language change" ppt
... mistransmitted (Models 1, 3, 5), and how the N and V probabil-ities acquired by a given learner are coupled. InModel 1 there is no coupling (ˆαt and ˆβtlearnedindependently), in Models 2–3 coupling ... Harada, and R.P. Wayland.2003. Factors affecting stress placement for Englishnonwords include syllabic structure, lexical class, and stress patterns of phonologically similar words.Language and ... Griffiths, and S. Lewandowsky.2007. Iterated learning: Intergenerational knowl-edge transmission reveals inductive biases. Psycho-nomic Bulletin and Review, 14(2):288.M.H. Kelly and J.K. Bock....
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Báo cáo khoa học: "Comparing the Accuracy of CCG and Penn Treebank Parsers" docx
... parser (Petrov and Klein,2007). The formalism-based parser we use is the CCG parser of Clark and Curran (2007), whichis based on CCGbank (Hockenmaier and Steed-man, 2007), a CCG version of ... Head-Driven Statistical Models forNatural Language Parsing. Ph.D. thesis, University ofPennsylvania.Julia Hockenmaier and Mark Steedman. 2007. CCGbank:a corpus of CCG derivations and dependency structuresextracted ... researchcontribution, we refer readers to Clark and Curran (2007) and Petrov and Klein (2007) for details of the two parsers.53shows that converting gold-standard CCG deriva-tions into the GRs in DepBank...
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Báo cáo khoa học: "DATR Theories and DATR Models" ppt
... Theories and DATR Models Bill Keller School of Cognitive and Computing Sciences The University of Sussex Brighton, UK email: billk@cogs.susx.ac.uk Abstract Evans and Gazdar (Evans and Gazdar, ... sentences and it is said to be functional if it meets the following condition: 1The syntax presented in (Evans and Gazdar, 1989a; Evans and Gazdar, 1989b) permits nodes and paths to stand as ... Verb : 0, and similarly else- where. The theory defines the properties of seven nodes: an abstract Verb node, nodes EnVerb, Aux and Modal, and three abstract lexemes Walk, Mow and Can. Each...
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Báo cáo khoa học: "Structural, Transitive and Latent Models for Biographic Fact Extraction" pdf
... probabilistic extraction models and data miningto discover relations and patterns in text. Proceed-ings of HLT-NAACL, pages 296–303.E. Filatova and J. Prager. 2005. Tell me what you do and I’ll tell ... question and, there hasbeen a plethora of work in the seed-based boot-strapping literature which addresses this problem(Ravichandran and Hovy, 2002; Thelen and Riloff,2002; Mann and Yarowsky, ... transitive and latent models are all stand-alone models, theycan complement each other in combination as theyprovide relatively orthogonal sources of informa-tion. To combine these models, we...
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Báo cáo khoa học: "The Formal and Processing Models of CLG" docx
... ni.p + ti. p f (tl tn).gk'.rti + J_ ift n¢gk and for constraints (keeping in mind that implication and equiwdence are just shorthands): Rewriting Constraints lrue & c C false ... false if f k ~e gn if either v or v' is _1_ if v and v' are the same value v = v' + false if v and v' are atomic and v~v' f01 tn)=f(u~ un) tl=Ul & & tn=Un ... constraints have not been resolved and (b) the intermediate and final data structure are also partial descriptions, being potentially annotated with unresolved constraints, and denote not a single,...
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Query Languages and Data Models for Database Sequences and Data Streams doc
... takes new tuples and a current state and out-put new tuples and a modified state and pass, prop,keep are three behavior functions that take punctua-tion marks and state as input and returns additionaloutputs ... etc.)always return a sequence of length one and they areall nonmonotonic, and therefore blocking. Continuouscount and sum are monotonic and nonblocking, and thus suitable for continuous queries.Order! ... NOT(sno = 1 AND Next = ’rebate’) AND NOT(sno = 2 AND Next = ’cancel’) AND Next <> ’order’UPDATE state SET sno = 1WHERE Next=’order’;UPDATE state SET sno = sno+1WHERE (sno = 1 AND Next...
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PREDICTING FINANCIAL DISTRESS OF COMPANIES: REVISITING THE Z-SCORE AND ZETA® MODELS
... distressed firms and is unquestionably relevant to both small and large firms. Variable Selection After the initial groups are defined and firms selected, balance sheet and income statement ... mandatory by the FASF in 1987. (5) Goodwill and intangibles. Deducted from assets and equity because of the difficulty in assigning economic value to them. (6) Capitalized research and ... same maturity as the loan, and r-i will be somewhat higher - perhaps 2-4%. The relationship between r-i will vary over time and is particularly sensitive to the demand and supply equilibrium relationship...
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Báo cáo khoa học: "Low-cost Enrichment of Spanish WordNet with Automatically Translated Glosses: Combining General and Specialized Models" pdf
... and translation models and on their combination with general models in order to achieve a proper balance be-tween precision (specialized in-domain models) and recall (general out-of-domain models) . ... proper cooperation between ‘EU’ and ‘WNG’ models. ‘EU’ models provides recall, for instanceby suggesting translation candidates for ‘bombs’or ‘price below’. ‘WNG’ models provide preci-sion, for ... configurations. ‘EU’ and ‘WNG’ refer tothe models estimated from the Europarl corpus and the training set of parallel WordNet glosses, respectively. ‘D1’, and ‘D2’denote the specialized language models estimated...
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Báo cáo khoa học: "Formalism-Independent Parser Evaluation with CCG and DepBank" pot
... relations in CCGbank thanDepBank. In the previous example, CCGbank has asubject relation between it and consider, and also it and would, whereas DepBank only has the relationbetween it and consider. ... DepBank and CCG- bank and there are some sentences in DepBankwhich have been significantly shortened comparedto the original Penn Treebank sentences. We mod-ified the CCGbank sentences — and the CCGbankanalyses ... Treebank trees and 2543 The CCG ParserClark and Curran (2004b) describes the CCG parserused for the evaluation. The grammar used by theparser is extracted from CCGbank, a CCG version ofthe...
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Báo cáo khoa học: "Collapsed Consonant and Vowel Models: New Approaches for English-Persian Transliteration and Back-Transliteration" ppt
... LinguisticsCollapsed Consonant and Vowel Models: New Approaches forEnglish-Persian Transliteration and Back-TransliterationSarvnaz Karimi Falk Scholer Andrew TurpinSchool of Computer Science and Information ... approaches, whichwe refer to as CV-MODEL1 and CV-MODEL2 re-spectively, partition these sequences using basic pat-terns (C and V) and main patterns (CC, CVC, VC and CV). In the training phase, transliteration ... Automatic translit-eration and back-transliteration by decision tree learning. InConference on Language Resources and Evaluation, pages1135–1411.Sarvnaz Karimi, Andrew Turpin, and Falk Scholer. 2006....
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- finite element fem and boundary element models bem
- simulation of models and ber
- cisco pix firewall and asa models
- transitive and latent models
- inheritance and the ccg lexicon
- tagging and parsing models∗
- loglinear measures and em training
- models of dependency and constituency
- collapsed consonant and vowel models new approaches
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