Báo cáo khoa học: "A Robust System for Natural Spoken Dialogue " ppt

... A Robust System for Natural Spoken Dialogue James F. Allen, Bradford W. Miller, Eric K. Ringger, Teresa Sikorski Dept. of Computer ... describes a system that leads us to believe in the feasibility of constructing natural spoken dialogue systems in task-oriented domains. It specifically addresses the issue of robust interpre- ... in papers on dialogue systems are...

Ngày tải lên: 23/03/2014, 20:21

... acquire more over time: we in- tend for it to generalize and encapsulate best practices, and serve as a testbed for new practices. Dyna is now be- ing used for parsing, machine translation, morphological analysis, ... statistical parsing and machine translation). It is a major effort to break into the field with a new system, and modifying existing systems—even in a conceptually simple...

Ngày tải lên: 20/02/2014, 16:20

... single m variable, we have three: one for IE, one for Austronesian and one for “all languages.” For a general tree, we assign one implication vari- able for each node (including the root and ... of perform- ing a simple Gibbs sample for m in Step (4), we first sample the m values for the internal nodes us- ing simple Gibbs updates. For the leaf nodes, we use rejection sampling....

Ngày tải lên: 08/03/2014, 02:21

... Kondrak, 2009). These methods typically rely on informa- tion that is unknown in a typical deciphering sce- nario (while being readily available for living lan- guages). For instance, some methods employ a hand-coded ... similar goals, it typically builds on information or resources unavailable for ancient texts, such as comparable corpora, a seed lexi- con, and cognate information (Fun...

Ngày tải lên: 17/03/2014, 00:20

... Callison-Burch et al. (2007). System outputs for fourteen of the fifteen sys- tems that participated in the evaluation are availa- ble. This accounts for 86 independent system outputs with a total ... it still performs well above random chance predictions, which, for the given average of 4 items per ranking, is about 25% for best and worst ranking predictions, and about 8.33%...

Ngày tải lên: 17/03/2014, 00:20

... improve the system& apos;s performance on that application. The Parseval effort (Black (1991)) attempted to compare parsing performance across systems using the Treebank as a basis for comparison. ... NLU system. 1 Testing Natural Language Understanding Systems Application level tests, in which the ability of the system to output the correct answer on a set of 763 system par...

Ngày tải lên: 17/03/2014, 07:20

... classes of questions considered for this system were among those shown to be needed in a natural language database system. Implementation of the TEXT system for natural language generation used ... used for TEXT i. 2. 3. 4. identification -requests for definitions attributive -requests for available information constituency -requests for definitions -reques...

Ngày tải lên: 17/03/2014, 19:21

... compare SIMR's performance on these language pairs to the performance of other algorithms, Table 2 shows that the performance on other language pairs is no worse than performance on French/English. ... with minimal effort, without rely- ing on genre-specific information such as sentence boundaries. The last section offers some insights about the optimal level of text analysis for...

Ngày tải lên: 17/03/2014, 23:20

... scales only logarithmically for DP processes. PY processes are expected to be more appropriate for many NLP problems, as they model power-law type distribu- tions common for natural language (Teh, ... of type t appears for a given semantic frame occur- rence 3 . For the frame WinPrize these parameters would enforce that there exists exactly one Winner and exactly one Opponent for...

Ngày tải lên: 23/03/2014, 16:20

... sentences into a logical for- malism of some kind is a fairly standard feature of com- puter systems for natural- language understanding, and one which is shared by the HPSG system. A distinctive ... processes of information retrieval, inference, planning, etc. b. a system of linkages between expressions of the natural language and those of the conceptual representation, and...

Ngày tải lên: 31/03/2014, 17:20