Báo cáo khoa học: "NOUN CLASSIFICATION FROM PREDICATE ARGUMENT STRUCTURES" pot

... NOUN CLASSIFICATION FROM PREDICATE. ARGUMENT STRUCTURES Donald Hindle AT&T Bell Laboratories 600 Mountain Avenue ... discovering a number of the correct predicate- argument relations. The parsing errors that do occur seem to result, for the current purposes, in the omission of predicate- argument relations, rather ... of cooccurrence of a predicate and argument, but...

Ngày tải lên: 31/03/2014, 18:20

... contextual features, and restrictions of candidate arguments. 2 Predicate- Argument Structure Analyzer 2.1 Procedure and Models The procedure of our predicate- argument structure analyzer is as follows. ... acquired from an an- notated corpus (i.e., correct parses). 2. Next, predicates are extracted from the base phrases. In general, a predicate is determined 85 Name Note Baseline...

Ngày tải lên: 23/03/2014, 17:20

... results called items. An initial set of items is obtained from the input sentence, and the parsing process involves deduction steps which produce new items from existing ones. Each item contains informa- tion ... links. This same set of hypotheses can be used for all the parsers, so we do not make it explicit for subse- quent schemata. Note that initial items are sepa- rate from the ite...

Ngày tải lên: 17/03/2014, 22:20

... is a method for creating a classification func- tion which works by trying to find a hypersurface in the space of possible inputs that splits the posi- tive examples from the negative examples ... frequently in many languages, and the problem of semantic dis- ambiguation of these phrases has many potential applications in areas such as question-answering and machine translation. One v...

Ngày tải lên: 20/02/2014, 12:20

... obtained from the two different data sets. 4 The conceptual analysis : the LEXICLASS software LEXICLASS is a clustering tool written using C lan- guage and specialised data analysis functions from ... edfgdf, fr Abstract We describe the early stage of our method- ology of knowledge acquisition from techni- cal texts. First, a partial morpho-syntactic analysis is performed to ex...

Ngày tải lên: 22/02/2014, 03:20

... XynA from C. cellulovorans (GH11-Doc- CE4) [35] and XynA from C. thermocellum strain ATCC27405 (GH11-CBM6-Doc-CE4) [33], or associ- ated with a CBM6 module such as in XynB (GH11- CBM6-Doc) from ... endoxylanase from a corn stalk rot strain of Erwinia chrysanthemi. Phytopathology 83, 332–338. 29 Keen NT, Boyd C & Henrissat B (1996) Cloning and characterization of a xylanase gene f...

Ngày tải lên: 18/02/2014, 08:20

... six labels: present, absent, hypothet- ical, possible, conditional, or not associated with the patient. The corpus for this task consists of dis- charge summaries from Partners HealthCare (Bos- ton, ... redundant in- stances from the training set. Finally, when a med- ical term co-exists with other medical terms (prob- lem concepts) in the same sentence, the others are excluded from t...

Ngày tải lên: 20/02/2014, 05:20

... al'.'an-1, speech recognition language models are used to hy- pothesize the next word an, which could be any word from the vocabulary F~. This is typically done using a probability ... to be the label of the node, which is either a terminal from E or the empty string e. For each other node N, label(N) is an element from NT. At a node N in a tree such that label...

Ngày tải lên: 20/02/2014, 18:20

... 1000 words from the item). III. Operations on the Network The network primed by a context consists merely of those lexical items which are closely reachable via co-occurrence from the priming ... of experiments which use a context, essentially an ordered set of lexical items, as the seed from which to build a network representing statistically important rela- tionships among le...

Ngày tải lên: 20/02/2014, 21:20

... components’ from two other PHs. The N-terminal sequence of PHI from A. radioresis- tens S13 is identical (from residue number 3) to the sequence of the corresponding component of PH from A. calcoace- ticus ... xylene monooxygenase from Pseudomonas stutzeri [14] and alkene monooxygenase from Xantobacter Py2 [15]. In other enzymes (MMO from M. capsulatus and Methylocistis [5,7], T2...

Ngày tải lên: 21/02/2014, 00:20