Báo cáo khoa học: "CORPUS-BASED ACQUISITION OF RELATIVE PRONOUN DISAMBIGUATION HEURISTICS" pdf

... seem to employ one of 3 approaches for relative pronoun disambiguation. Systems that use a formal syntactic grammar often directly encode information for relative pronoun disambiguation in ... automated acquisition of disambiguation heuristics for additional problems in natural language processing. In the next section, we briefly describe the task of relative pro...

Ngày tải lên: 08/03/2014, 07:20

... The completeness of the output list increases monotonically with the total number of occurrences of each verb in the corpus. False positive rates are one to three percent of observa- tions. ... architecture of the system, and that of this pa- per, directly reflects the three challenges described above. The system consists of three modules: 1. Verb detection: Finds some occ...

Ngày tải lên: 20/02/2014, 21:20

... Pattern Singular “a(x) x is made up of ” NP QT is made up of NP’ C “a(x) x is made of NP QT is made of NP’ C “a(x) x comprises” NP QT comprises (of) ? NP’ C “a(x) x consists of NP QT consists of NP’ C Plural “p(x) ... NP’ C Plural “p(x) are made up of ” NP QT is made up of NP’ C “p(x) are made of NP QT are made of NP’ C “p(x) comprise” NP QT comprise (of) ? NP’ C “p(x) consis...

Ngày tải lên: 08/03/2014, 02:21

... enhancing the performance of ∗ Part of this research was conducted while this author was at the University of Edinburgh Laboratory for Foundations of Computer Science. state -of- art statistical systems ... 98% of the BNC receives at least a partial analysis (Carroll and Briscoe, 2002)) which is useful in view of the in- frequent occurrence of some of the SCFs, although combin...

Ngày tải lên: 08/03/2014, 04:22

... sense maps to a set of Chinese synonyms that realise the same concept. English ambiguous word w Sense 1 of w Sense 2 of w Chinese translation of sense 2 Chinese translation of sense 1 English-Chinese Lexicon 1. ... WSD. The remainder of the paper is organised as fol- lows. Section 2 describes the process of acqui- sition of the topic signatures. Section 3 demon- stra...

Ngày tải lên: 08/03/2014, 04:22

... different processes: sep- aration of functional words, segmentation of com- pound nouns, and verification of the usefulness of the extracted sentences. An NE is often concatenated with more than ... the usefulness of the con- structed NE tagged corpus, we apply it to a learn- ing of NER system and compare the results with the manually tagged corpus. 2 Automatic Acquisition of a...

Ngày tải lên: 08/03/2014, 04:22

... grammar-based. N-gram model estimates the probability of a sentence as the product of the probability of each word in the sentence. It assumes that probability of the nth word is dependent on the previous ... probability of the sentence using the probabilities of the struc- tures. Long distance dependencies can be rep- resented well by means of the structures. The appro...

Ngày tải lên: 08/03/2014, 05:21

... corpora, the only research that I am aware of that has dealt directly with the problem of the automatic acquisition of subcategorization frames is a series of papers by Brent (Brent and Berwick ... basic measures of results are the in- formation retrieval notions of recall and precision: How many of the subcategorization frames of the verbs were learned and what percent...

Ngày tải lên: 23/03/2014, 20:20

... AUTOMATIC ACQUISITION OF THE LEXICAL SEMANTICS OF VERBS FROM SENTENCE FRAMES* Mort Webster and Mitch Marcus Department of Computer and Information Science University of Pennsylvania ... thank Beth Levin and the anonymotm reviewers of this paper for many helpful com- ments. We ~ b~efit~l greatly from disctumion of issues of verb acquisition in children with Lila Glei...

Ngày tải lên: 31/03/2014, 18:20

... objects. A 'pair of actions' consists of two actions that occur in time order. A 'sequence of actions' can be defined as a transitive closure of all the pairs of actions. 1. Cases ... (pairs) of actions that occur in time order. We then chose among these actions the ones that are typical by ranking them in terms of the fre- quency of their occurrence. To ex...

Ngày tải lên: 31/03/2014, 20:20