Báo cáo khoa học: "PART-OF-SPEECH TAGGING USING A VARIABLE MEMORY MARKOV MODEL" doc

... assumptions for the static tag probabilities, are encouraging. VARIABLE MEMORY MARKOV MODELS Markov models are a natural candidate for lan- guage modeling and temporal pattern recognition, ... fixed-length histories, variable memory Markov models dynamically adapt their history length based on the training data, and hence may use fewer parameters. In a test of a VMM b...

Ngày tải lên: 23/03/2014, 20:21

... Lexical transfer using a vector-space model Eiichiro SUMITA ATR Spoken Language Translation Research Laboratories 2-2 Hikaridai, Seika, Soraku Kyoto 619-0288, Japan sumita@slt.atr.co.jp ... from case-frame representations of simple sentences with a thesaurus for generalization (Akiba et. al., 1996 and Tanaka, 1995); (2) approaches using structural matching: to obtain trans...

Ngày tải lên: 20/02/2014, 18:20

... Hill Road Palo Alto, CA 94304, USA mforst@parc.com Abstract In this paper we present a human-based evaluation of surface realisation alterna- tives. We examine the relative rankings of naturally ... string accuracy, gener- ation tree accuracy, word accuracy (Bangalore et al., 2000; Callaway, 2003; Nakanishi et al., 2005; Velldal and Oepen, 2006; Belz and Reiter, 2006). It is not always clea...

Ngày tải lên: 22/02/2014, 02:20

... generation of contrastive accent and propose an alternative method that is feasible and computationally at- tractive in data-to-speech systems. 1 Motivation The placement of pitch accent plays ... generated sentences. The fact that the input data structures of the system are organized in such a way that identical data types express semantically parallel information allows us to make...

Ngày tải lên: 22/02/2014, 03:20

... Introduction Making use of previously translated texts is a very appealing idea that can be of considerable prac- tical and economical benefit as a translation aid. There are different ways to exploit ... Nationalization Situations where a document needs re-translation are usually associated with commercial products that undergo modifications and revisions and require ac- compan...

Ngày tải lên: 22/02/2014, 10:20

... the source agenda and the target agenda. Initially the source agenda contains an empty sentence and the target agenda is empty. At each processing stage, the decoder reads in a character from ... with each candidate in the source agenda and puts the generated candidates onto the target agenda. After each character is processed, the items in the target agenda are copied to the source agenda,...

Ngày tải lên: 08/03/2014, 02:21

... Sense Disambiguation Using Semantic Relations and Adjacency Information Anil S. Chakravarthy MIT Media Laboratory 20 Ames Street E15-46 8a Cambridge MA 02139 anil @ media.mit.edu Abstract This ... object of an action verb Basketball fan A church and a home Barrel of the rifle A mortar with a shell A monitor displays information Write a mystery Noun that is at the...

Ngày tải lên: 08/03/2014, 07:20

... FUNCTIONAL UNIFICATION GRAMMAR: A FORMALISM FOR MACHINE TRANSLATION Martin Kay Xerox Palo Alto Research Center 3333 Coyote Hill Road Palo Alto California 94304 and CSLI, Stanford Abstract ... steps in a carefully prescribed order. • These advantages are available in large measure through a class of formal devices that are slowly gaining acceptance in linguistics and which are...

Ngày tải lên: 17/03/2014, 19:21

... data, asking a question, and answering a question all can be part of obtaining information. 2 So, actions at each level form a tree structure in which each node represents an action that a ... level: the domain level models domain goals such as travel- ing by train; the problem-solving level, plan-construction goals such as instantiating a variable in a plan; and...

Ngày tải lên: 23/03/2014, 20:20

... trees. As Kmch and Jmhi point out, this means that a TAG is incomplete ms an account of the structure of a natural language, e.g. a TAG grammar wW contain ~th an active and a passive ... Adj~g Grammars, or "TAG's', (Josh/, Levy & Takahash/ 1975; Josh/ 1983; Kroch & Josh/ 1965) we~ developed as an al~ma~ive to the aandard tyntac~ formalisms that are...

Ngày tải lên: 24/03/2014, 02:20