Báo cáo khoa học: "AUTOMATICALLY EXTRACTING AND REPRESENTING COLLOCATIONS FOR LANGUAGE GENERATION*" docx

... AUTOMATICALLY EXTRACTING AND REPRESENTING COLLOCATIONS FOR LANGUAGE GENERATION* Frank A. Smadja t and Kathleen R. McKeown Department of Computer Science ... systems retrieves the entire range of collocations that we identify and no real effort has been made to use this information for language generation [Boguraev & Briscoe 89]. In the following ... attribute...

Ngày tải lên: 31/03/2014, 18:20

... result. For example, the in-domain goal standard for the Book domain is 79.96%. For adapting from DVD to Book, baseline achieves 72.25% and JST gives 76.45%. The adaptation loss is 7.71 for baseline ... information through modifying the topic-word Dirichlet priors. This essentially creates an informed prior distribution for the sentiment labels and would allow the model to actua...

Ngày tải lên: 20/02/2014, 04:20

... this knowl- edge is created by hand, and the effort must be re- peated for new domains, new characters and plot elements. Fortunately, recent work in natural language processing has taken significant ... coherence) that is good enough for peo- ple to understand. Cheng and Mellish (2000) focus on the interaction of aggregation and text planning and use genetic algorithms to sear...

Ngày tải lên: 17/03/2014, 00:20

... PST as a knowl- edge source for DA detection, we essentially need to model the relationship between the random DA and the random DR. Denote the random DA by X and the random DR by Y . Given a text ... z-score (Larsen and Marx, 2000) of each word w in the ASR output. Figure 3 illustrates the PST for the sentences: Where is the Anping-Fort. There are two keywords Where and Anping-Fo...

Ngày tải lên: 20/02/2014, 05:20

... in standard TSP. We create a binary (0/1) integer variable for each pair of hotels and . if and only if travel from hotel to hotel is on the itinerary. The objective function is straightforward: minimize: ... Computer Science University of Southern California Stanford University 4676 Admiralty Way, Suite 1001 Stanford, CA 94305 Marina del Rey, CA 90292 jahr@cs.stanford.edu germann,knigh...

Ngày tải lên: 20/02/2014, 18:20

... with a binary form of function application. Thus, if z and I/ are well-formed formulas of PAL, so is a form z(y). Expressions of PAL are related to expressions of natural language as follows: ... descendants, say z and y, a PAL expression for the phrase is one of the following forms: <z>( <V>) or <p>( <z>) where ~a> stands for a PAL expression fo...

Ngày tải lên: 21/02/2014, 20:20

... approaches can be designed for some languages such as Spanish. However, Kominek and Black (2006) show that in languages with a less transparent relationship be- tween spelling and pronunciation, such ... letter’s con- text. Other approaches, such as those of Bisani and Ney (2002) and Marchand and Damper (2000), have shown that better performance can be achieved by pairing letter s...

Ngày tải lên: 08/03/2014, 01:20

... leaving no hidden variables and resulting in a CRF. Here, PAC stands for “preamble for arrival city,” and PDC for “preamble for departure city.” The command prior and state transition features ... context and chunk coverage features. The chunk coverage feature has three settings: 0 stands for no chunk coverage features; 1 for chunk coverage features for preamble w...

Ngày tải lên: 08/03/2014, 02:21

... (Lakoff and Johnson, 1980; Fass, 1997; Stern, 1931)). In a place -for- people pattern, a place stands for any persons/organisations associ- ated with it, e.g., for sports teams in (2), (3), and (4), and ... and Agirre, 2000): 0.1 is added to both the de- nominator and numerator. The target readings to be distinguished are literal, place -for- people, place -for- event, place -f...

Ngày tải lên: 08/03/2014, 04:22

... Yang. 2001. Internal and external forces in lan- guage change. Language Variation and Change, 12(3):231–250. C. Yang. 2002. Knowledge and Learning in Natural Language. Oxford University Press. 1029 Proceedings ... Harada, and R.P. Wayland. 2003. Factors affecting stress placement for English nonwords include syllabic structure, lexical class, and stress patterns of phonological...

Ngày tải lên: 17/03/2014, 00:20