Tài liệu Báo cáo khoa học: "Sentence Disambiguation by a Shift-Reduce Parsing Technique" pot

... Sentence Disambiguation by a Shift-Reduce Parsing Technique* Stuart M. Shieber Abstract Artificial Intelligence Center SRI International 333 Ravenswood Avenue Menlo Park, CA 94025 Native speakers ... the Standard LR Techniques The shift-reduce table mentioned above is generated automatically from a context-free grammar by the standard al- gorithm [Aho and Johnson, 1974]. The parsing alogrithm ... general rules for disam- biguating sentences can yield appropriate behavior for a large class of performance phenomena right a- ~soeiation, minimal at- tachment, lexical preference, and garden-path...

Tài liệu Báo cáo khoa học: "Sentence generation as a planning problem" pptx

... withoutbeing changed by the action. Atoms are printed inboldface iff they contradict the goal.This plan can be read as a derivation tree that hasone node for each action instance in the plan, and anedge ... be false. Actions have a number of param-eters, as well as a precondition and effect, both ofwhich are logical formulas. When a planner tries toapply an action, it will ﬁrst create an action ... communicative goalsas ﬂaws that the plan must remedy. To this end,we add an atom cg(P ,a 1, ,a n) for each elementP (a 1, ,a n) of the communicative goal to the ini-tial state, and we add a corresponding...

Tài liệu Báo cáo khoa học: "Online Learning of Approximate Dependency Parsing Algorithms" potx

... de-pendency parsing. Yamada and Matsumoto (2003)showed that keeping a small amount of parsing history was crucial to improving parsing perfor-mance for their locally-trained shift-reduce SVMparser. ... lead to state-of-the-art accuracyfor English and the best accuracy we know of forCzech and Danish.2 Maximum Spanning Tree Parsing Dependency-tree parsing as the search for themaximum spanning ... Online Learning of Approximate Dependency Parsing AlgorithmsRyan McDonald Fernando PereiraDepartment of Computer and Information ScienceUniversity of PennsylvaniaPhiladelphia, PA 19104{ryantm,pereira}@cis.upenn.eduAbstractIn...

Tài liệu Báo cáo khoa học: "Generating and Visualizing a Soccer Knowledge Base" potx

... anddata already present in the corpus, the URLs ofall available data from the website are matchedagainst the IDs of the already extracted data.2.2 Linguistic Annotation and InformationExtractionAs ... 9thInternational Conference on applications of naturallanguage to information systems.Maedche, Alexander, Günter Neumann and SteffenStaab. 2002. Bootstrapping an Ontology-Based In-formation Extraction ... Generating and Visualizing a Soccer Knowledge BasePaul Buitelaar, Thomas Eigner, Greg Gul-rajani, Alexander Schutz, Melanie Siegel,Nicolas WeberLanguage Technology Lab, DFKI GmbHSaarbrücken,...

Tài liệu Báo cáo khoa học: "Sentence-For-Sentence Translation: An Example" ppt

... beautiful child handsome.' HNAK/ARB HNAK,LOCADV THERE+YSTQBL/ARB STQBL, VERB/T MEET/SSUF S+ALYWM/ARB ALYWM,TMPADV TODAY+ALMVLMH/ARB MVLM,NOUN TUTOR /A+ ALXACH/ARB XAC+ALJAHLH/ARB JAHL,ADJ/ZAVJ ... followed by the plural separated from it by a slash. RJL /A- RJL 'foot', RJL/RJ -A- L 'man', WZYR/ WZR-AO 'minister', WLD /A- WL -A- D 'boy', LWAO /A- LWY-H 'major ... to a proper name. ALMDYR +HSN may be translated 'principal Hasan', ALMDYR QASM 'director Qasim', and ALMDYR ABRAHYM 'coffee-boy Ibrahim'. Knowledge of the actual...

Tài liệu Báo cáo khoa học: "POS Disambiguation and Unknown Word Guessing with Decision Trees" pot

... actually comprise a training example. A training example also includes the manually assigned tag (column Manual Tagi) along with the automatically assigned tag 2 (column Tagi) of the ambiguous ... training algorithms with patterns that have the form: (Tagi_2, Tagi_b Tagi, Tagi.~, Manual_Tagi), which is the ease for similar systems that learn POS disambiguation (e.g., Daelemans et al., ... linguistically motivated parameters, so as to 7 In this method, a dataset is partitioned 10 times into 90% training material and 10% testing material. Average accuracy provides a reliable estimate of the...

Tài liệu Báo cáo khoa học: "Lexical Disambiguation Using Constraint Handling In Prolog " pdf

... word 'bank' has been chosen, then only the 'economic' or 'neutral' senses of the 'arrange', 'overdraft' and 'ac- count' will be taken ... for lexical disambiguation, par- ticularly [Guthrie et al., 1992]'s and [Lesk, 1986]'s, as there is no standard evaluation benchmark; but this approach seems to work reasonably well ... Introduction Automatic sense disambiguation has been recognised by the research community as very important for a number of natural language processing applications like information retrieval, machine...

Tài liệu Báo cáo khoa học: Upregulation of the a-secretase ADAM10 – risk or reason for hope? docx

... aninteraction partner for ADAM10 that enhances a- sec-retase shedding of APP, probably by regulating matu-ration of the prodomain of ADAM10 [22].The catalytical domain of ADAM10 contains a typical zinc-binding ... Cahuzac N, Guardiola-Serrano F, Huault S,Luckerath K, Friedmann E, Novac N, Wels WS,Martoglio B, Hueber AO et al. (2007) The Fas ligandintracellular domain is released by ADAM10 andSPPL 2a ... micewith a dominant negative mutant of ADAM10 hadlowered amounts of APPs -a, accompanied by anenhanced amount of plaques [10] and learning deﬁcien-cies in the Morris water maze test [12]. In summary,what...

Tài liệu Báo cáo khoa học: Mixed lineage leukemia: a structure–function perspective of the MLL1 protein ppt

... Milne TA, CopelandTD, Levine SS, Lee JC, Hayes DN, Shanmugam KS,Bhattacharjee A, Biondi CA et al. (2004) Meninassociates with a trithorax family histone methyltrans-ferase complex and with ... generaltranscriptional co-activators that contain histone andtranscription factor acetylation activities [30]. In addi-tion, CBP contains a number of protein-bindingdomains that mediate transcription ... CBP is a structural platform that is capable of binding severaldifferent families of transcriptional activators [30], andevidence indicates that the KIX domain has the abilityto simultaneously...

Tài liệu Báo cáo khoa học: Bacitracin is not a speciﬁc inhibitor of protein disulﬁde isomerase pptx

... rhodanesewas also decreased by bacitracin. The decrease in thenoncatalyzed rate (31%) was similar to that of thePDI-catalyzed reaction (a 32% decrease). These resultsFig. 1. Bacitracin has minimal ... DsbC,as well as the isolated catalytic a domain of PDI. Boththe PDI a domain and DsbA have a catalytic site, withan associated substrate-binding site, but lack an inde-pendent substrate-binding ... fragment, andBiP Ala324–Leu653 as a SacI–XhoI fragment. Maturehuman ERp27 (Glu26–Leu273) was generated by PCRfrom IMAGE clone 5207225 as an NdeI–BamHI fragment.Mature E. coli DsbA (Ala20–Leu208) and...

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