Báo cáo khoa học: "A Bootstrapping Approach to Unsupervised Detection of Cue Phrase Variants" docx

... Bootstrapping Approach to Unsupervised Detection of Cue Phrase VariantsRashid M. Abdalla and Simone TeufelComputer Laboratory, University of Cambridge15 JJ Thomson Avenue, Cambridge CB3 OFD, UKrma33@cam.ac.uk, ... investigate the unsupervised detection of semi-ﬁxed cue phrases such as “Thispaper proposes a novel approach. . .1”from unseen text, on the basis of only ahandful of seed cue phrases with the ... the task of automatic routing of customer emailsand automatic answering of some of these, the de-tection of threats of legal action could be useful.However, systems that use cue phrases usuallyrely...

Tài liệu Báo cáo khoa học: "A Bootstrapping Approach to Named Entity Classification Using Successive Learners" pdf

... IsA-based rules to the top of the decision list: IsA(seed)Æ tag of the seed, for example: IsA(man) Æ PER IsA(city) Æ LOC IsA(company) Æ ORG IsA(software) Æ PRO 4 Automatic Construction of Annotated ... Object _Of( commercialize)ÆPRO Has_AMod(custom-design) Æ PRO Possess(rollout) Æ PRO Object _Of( redesign) Æ PRO ………… Due to the unique equivalence nature of the IsA relation, the above bootstrapping ... seeds are retrieved from the repository to train a decision list for NE classification. 3. The learned rules are applied to the NE candidates stored in the repository. 4. The proper names tagged...

Tài liệu Báo cáo khoa học: "A PROBABILISTIC APPROACH TO GRAMMATICAL ANALYSIS OF WRITTEN ENGLISH BY COMPUTER" pot

... or part of speech of each word token in the corpus. Error analysis and subsequent modification to the system resulted in over 96 per cent of word tags being correctly assigned automatically. ... automatically. The remaining 3 to ~ per cent were corrected by human post-editors. ~brk is now in progress to devise a suite of programs to provide a constituent analysis of the sentences in the ... and Hofl-n~, 1978). The year of publication of all text samples (1961) and the division into 15 text categories is the same for bo~h corpora for the purposes of a systematic comparison of British...

Báo cáo khoa học: A kinetic approach to the dependence of dissimilatory metal reduction by Shewanella oneidensis MR-1 on the outer membrane cytochromes c OmcA and OmcB potx

... insertion mutants of MR-1,and analyzed them in terms of dissimilatory reduction of a variety of metals, i.e. Fe(III), V(V), U(VI), andSe(VI). A ‘whole cell’ kinetics approach was used to determine ... measure of enzymespeciﬁcity To determine whether the lack of phenotype of omcA–omcB–strains observed during anaerobicgrowth on either of the electron acceptors U(VI) andSe(VI) is due to the ... did not lead to unwanted release of outermembrane cytochromes. Assays were conducted in microtiterplates at 25 °C in a ﬁnal volume of 200 lL of NaCl ⁄ Pi(pH 7.4), and were monitored using...

Báo cáo khoa học: "A Bayesian Approach to Unsupervised Semantic Role Induction" docx

... then used to generate alldata points corresponding to customers assigned to the table. The Dirichlet processes (DP) areclosely connected to CRPs: instead of choosingmeals for customers through ... expected number of occupied ta-bles. Though it is convenient to describe CRP in asequential manner, the probability of a seating ar-rangement is invariant of the order of customers’arrival, ... customers. Assume a restaurant with asequence of tables, and customers who walk intothe restaurant one at a time and choose a table to join. The ﬁrst customer to enter is assigned theﬁrst table. Suppose...

Báo cáo khoa học: "A Computational Approach to the Automation of Creative Naming" ppt

... terms to the category word in order to exagger-ate, to evoke and thereby to be more effective.The ﬁrst constituent of our approach uses thepattern “as property as *” with the addition of “property ... potential to be very appeal-ing to the customers. In more than 76% of the cases,a humorous name is the product of the combination of appropriate ingredients.In Table 2, we show a selection of successfuland ... of words and they do not includea mechanism to also take semantics into account.2.3 CommercialMany naming agencies and branding ﬁrms1provideprofessional service to aid with the naming of...

Báo cáo khoa học: "A Hierarchical Approach to Encoding Medical Concepts for Clinical Notes" docx

... matching system together, a final F1score of 85 was reported on the of cial test set.Farkas and Szarvas (2007) automatically translatedefinitions of the ICD-9-CM into rules of a sym-bolic ... micro-averaged F1value of 86.6, which is compara-ble to the performance of state -of- the-art flatclassification systems.1 IntroductionThe task of assigning meaningful categories to freetext has attracted ... used to modelthe disagreement between the prediction of the sys-tem and the gold-standard annotation of the trainingdata set. This has improved the performance of thesystem to a F1value of...

Tài liệu Báo cáo khoa học: "A PRAGMATICBASED APPROACH TO UNDERSTANDING" pdf

... domains in order to group finely grained actions and associated plans into more general related structures. A focus domain consists of a set of actions, one of which is an ancestor of all other ... utterance. The set of ACTIVE nodes in the context model form a stack of plans, the toP- most of whlca is the current focused plan; each of these plans is the expanslon of an action appearing ... members of the focus domain. (This is similar to Grosz's focus spaces and the notion of an object being in implicit focus.) The use of focus domains allows the groupin8 together of those...

Tài liệu Báo cáo khoa học: "A HYBRID APPROACH TO REPRESENTATION IN THE JANUS NATURAL LANGUAGE PROCESSOR" pot

... associated with A to the class associated with B. If no such role exists, the search is for a role relating the nearest ancestor of the class of A to any ancestor of the class of B. The implicit ... coupling of these patterns is the preposition of. 4.3.1. An Approach to Bridging It has long been observed [11 ] that mention of one class of entities in a communication can bring into the ... propose treating many novel cases of metonymy in the following way: 1. Wherepatterns of metonymy can be identified,, such as using a description of a part to refer to the whole (and other patterns...

Báo cáo khoa học: "A new Approach to Improving Multilingual Summarization using a Genetic Algorithm" pptx

... algorithmsby using a GA to ﬁnd an optimal set of values forthe outcomes of 14 indicators and apply the opti-mal combination of values from data on one text to a different text. With such approach, trainingmay ... articles of 250 to 830 words each from the Website of theHaaretz newspaper.8All assessors were providedwith the Tool Assisting Human Assessors (TAHA)software tool9that enables sentences to be ... complexity rela-tive to the total number of words in a document- O(n). As a result, MUSE total computationtime, given a trained model, is also linear (at fac-tor of the number of metrics in a combination).The...

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