Báo cáo khoa học: "Combining Tree Structures, Flat Features and Patterns for Biomedical Relation Extraction" ppt

... Association for Computational Linguistics, pages 420–429,Avignon, France, April 23 - 27 2012.c2012 Association for Computational LinguisticsCombining Tree Structures, Flat Features and Patterns for ... PW Fstands for the new featurebased kernel (henceforth, TPWF kernel) com-puted using ﬂat features collected by exploiting patterns, trigger words, negative cues and walk features. KSL and KP ... de-pendency patterns, trigger words, negativecues, regular expression (henceforth, regex) patterns and walk features (i.e. e-walks and v-walks)2.2. The syntactic dependency patterns are...

Tài liệu Báo cáo khoa học: Differential effects of Mxi1-SRa and Mxi1-SRb in Myc antagonism ppt

... as Dr Andras Fiser, for stimulatingdiscussions and helpful advice on the study. We thankDr Paul Corn for critically reading the manuscript. Wethank Laina Freyer and Dr Rachele Arrigoni for theirresearch ... cellular transformation by Myc and Ras. (A, upper) Schematicrepresentation of the different Mxi1 isoforms tested for suppres-sive potential in the REF transformation assay. All of the isoformscarried ... multiple isoforms of a givenprotein, with these isoforms having shared and distinct features [21,22]. With respect to Mxi1-SRa and Mxi1-SRb, this functional complexity may allow for differ-ential...

Tài liệu Báo cáo khoa học: The small heat shock proteins and their role in human disease pptx

... when perturbed. For example, sHSPs pre-vent cataract in the mammalian lens and guard against ischemic and reper-fusion injury due to heart attack and stroke. On the other hand, mutatedsHSPs ... ⁄hypoxia, heat and oxidation, and in relation to patho-logical status. sHSPs interact with many essential cellstructures and it follows from such promiscuity thatfunctional disruption and inappropriate ... packed proteins known as a-, b- and c-crys-tallins, which function for the lifespan of an organ-ism and are essential for vision. Lens transparency,viscosity and refractive index depend on...

Tài liệu Báo cáo khoa học: "Weakly Supervised Named Entity Transliteration and Discovery from Multilingual Comparable Corpora" ppt

... often difficult to find expertsin these languages both for the expensive anno-tation effort and even for language specific clues.On the other hand, comparable multilingual data(such as multilingual ... for information extraction, in general, and NE extrac-tion, in particular, is not new. (Hetland, 2004)surveys recent methods for scoring time sequences for similarity. (Shinyama and Sekine, 2004) usedthe ... generative and consider the task of producing an appropriatetransliteration for a given word, and thus requireconsiderable knowledge of the languages. For example, (AbdulJaleel and Larkey,...

Tài liệu Báo cáo khoa học: "Instance-based Sentence Boundary Determination by Optimization for Natural Language Generation" ppt

... as speech and gesture, to request residential real-estate informa-tion (Zhou and Pan, 2001; Zhou and Chen, 2003;Zhou and Aggarwal, 2004). After interpreting therequest, the system formulates ... the features used and the size of the train-ing examples, it is unclear how well it can capture patterns like semantic grouping and avoid problemslikes dangling sentences.3 ExamplesBefore ... solution for inputQ and Q ⊂ P . To facilitate dynamic program-ming, we remember the best solution for Q de-rived by sbd(Q) in case Q is used to formulateother solutions.7. If the lower bound for...

Báo cáo khoa học: Post-ischemic brain damage: pathophysiology and role of inﬂammatory mediators ppt

... cerebral ischemia and, in a recent random-ized clinical trial, intravenous administration ofrecombinant human IL-1ra in patients with acutestroke provided evidence for safety and for effectivereduction ... disruption of the BBB and hemorrhagic transformation following injury bothin animal models [84–87] and in stroke patients [88–90]. Previous studies have described increased expres-sion and activity ... polypeptides that mediatecellular communication and leukocyte recruitment ininﬂammatory and immune responses. IncreasedmRNA expression for MCP-1 and macrophageinﬂammatory protein-1 alpha has...

Báo cáo khoa học: "Sinhala Grapheme-to-Phoneme Conversion and Rules for Schwa Epenthesis" potx

... corre-spondence between graphemes and phonemes. For some languages such as English and French, the relationship is complex and require large numbers of rules (El-Imam and Don, 2005; Damper et al., ... (Black and Lenzo, 2003). These language and context dependent rules are formulated using phonetic and linguistic knowledge of a particular language. The com-plexity of devising a set of rules for ... analysis and waveform gen-eration (Black and Lenzo, 2003). The text analy-sis process is responsible for converting the non-textual content into text. This process also in-volves tokenization and...

Báo cáo khoa học: "A LANGUAGE-INDEPENDENT AN APHORARE SOLUTION SYSTEM FOR UNDERSTANDING MULTILINGUAL TEXTS" pptx

... correct antecedent. SCarbonell and Brown's system handles only intersentential 3rd person pronotms and some defilfite NPs, and Rich and LuperFoy's system handles only 3rd person pronouns. ... similar to Carbonell and Brown [6] and Rich and LuperFoy's [16] work in using multiple KS's rather than a monolithic approach (cf. Grosz, Joshi and Weinstein [9], Grosz and Sidner [8], ... fine-grained and hierarchically organized KS's. Also, our system can be evaluated and tuned at a low level because each KS is independent of discourse phenom- ena and can be turned off and on for...

Báo cáo khoa học: "Natural Language Generation as Planning Under Uncertainty for Spoken Dialogue Systems" pptx

... al., 2008; Rieser and Lemon, 2008a) and “conversation as action under uncertainty”(Paek and Horvitz, 2000). In NLG we havesimilar trade-offs and unpredictability as in DM, and in some systems ... between length and informativeness for single NLG strategies, we areinterested whether this trade-off will also hold for generating sequences of NLG actions. (Whittakeret al., 2002), for example, ... appear).Srinivasan Janarthanam and Oliver Lemon. 2008. Usersimulations for online adaptation and knowledge-alignment in Troubleshooting dialogue systems. InProc. of SEMdial.Alexander Koller and Ronald Petrick....

Tài liệu Báo cáo khoa học: "STRING-TREE CORRESPONDENCE GRAMMAR: A DECLARATIVE GRAMMAR FORMALISM FOR DEFINING THE CORRESPONDENCE BETWEEN STRINGS OF TERMS AND TREE STRUCTURES" pdf

... subcorrespon- dence between substrings and subtrees, for example between the whole TREE and the whole STRING (tri- vial), between the subtree 4(5(6),7) and the two occurrences of the substring ... tool, in the form of a grammar formalism, which can define such string -tree correspondence as well as be inter- pretable for analysis and for generation between strings of terms and structural ... elements of the set of subtrees of the tree : such a relation is called a string- tree correspondence. An example of a string -tree correspondence is given in fig. I. TREE: NP I [ 4 NP 2 :AP...

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