Báo cáo khoa học: "A Model of Lexical Attraction and Repulsion*" potx

... family of distance models {Pm,~=,a} of distance models. In Figure 8 we display typical examples of this training algorithm at work. 5 A Nonstationary Language Model To incorporate triggers and ... class of statistical models that we propose to model this data. After completing this work we learned of a related paper (Niesler and Woodland, 1997) which constructs simil...

Ngày tải lên: 24/03/2014, 03:21

... to understand the utterances of others, AMBER models the learning of generation strategies, rather than strategies for understanding language. Selfridge's and Reeker's models differ ... IS-3 If you want to describe action1, and action1 is the action of event1, and action1 is in the present, and agent1 is the agent of event1, and agent1 is singula...

Ngày tải lên: 17/03/2014, 19:21

... not of what to say. When it arrives at a decision point on what to say, GEMS makes a random choice. Hence, GEMS is not a complete model of the activity of producing sentences but only a model ... centralized version of GEMS (see Parisi and Giorgi, 1981; 1983) has been suggested to us by Oliviero Stock and Cristiano Castelfranchi and it is related to our view of a le...

Ngày tải lên: 18/03/2014, 02:20

... is an open and interesting question. Flower and Hayes (1980) and Collins and Gentner (1980) suggest that writers are unable to juggle the excessive number of simultaneous demands and constraints ... follows is an example of the incremental revision of a summary paragraph. The discussion at each step gives an indication of the character of information needed and th...

Ngày tải lên: 24/03/2014, 02:20

... (3) of (P0), that G believes each of his acts plays a role in his plan. Similarly, clause (iii) of (Pl) captures clause (4) of (P0), and clause (iv) of (P1) captures clauses (5) and (6) of ... cussion of these relations and functions can be found in Pollack [14, Chap. 4]. Clause (i) of (P1) captures clause (1) of (P0). 4 Clause (iS) of (P1) captures both claus...

Ngày tải lên: 31/03/2014, 17:20

... theoretical and practical ramifications. From a theoretical standpoint, the success of TFxIDF is problematic because the model combines two different event spaces – the space of terms in TF and of ... ISF and ITF values are 5.5 and 10.4 higher than IDF. All language models appeared to follow a power law distribution with a slope coefficient of 1.6 for documents and 1...

Ngày tải lên: 17/03/2014, 04:20

... No. of positive examples (percent- age in trainig set) Wega Wega AND TV 316 (6.5%) Loft Loft AND (Grocery OR- Stationery) 64 (4.5%) Honda Honda AND Keisuke 86 (4.6%) Tsubaki Tsubaki AND ... sure of most of the senses of a target word. Because target words are often proper nouns, their word senses are rarely listed in hand-crafted lexicon. In addition, since the Web...

Ngày tải lên: 23/03/2014, 17:20

... actions: Selection of a pair of words wo E V1 and vo E V2, and a head transducer 3,10 to start the entire derivation. Selection of a pair of dependent words w I and v ~ and transducer M I ... Selection of a word and acceptor to start an entire derivation. • Selection of a dependent word and acceptor given a head word and a dependency relation. 2.2 Transfer T...

Ngày tải lên: 24/03/2014, 03:21

... tion of the meaning of the S is built up from the discourse representations of the subject and the predicate. The subject and predicate each pro- vide some background constraints, and then ... system", we see that it will in- clude a vocabulary of lexical items, a set of syntac- - 309 - tic rules, and a set of semantic interpretations of those rules. It is...

Ngày tải lên: 22/02/2014, 10:20

... system's performance in terms of cov- erage and quality of translations by combining frag- mentary analyses when no spanning analysis of the input can be derived because of spontaneous speech phenomena ... mantic predicates, a list of scopal constraints, syn- tactic, prosodic and pragmatic information as well as tense and aspect and sortal information. An ex- am...

Ngày tải lên: 17/03/2014, 07:20