ellipsis resolution in dialogues

Ngày tải lên: 23/03/2014, 19:20

... therefore, requires a finer grain substation method than simply inserting the highest level non-terminals in the in the ellipsed input in place of the matching non-terminals in the parse tree ... original query. However, an informal poll of potential users suggests that the preferred interpretation of the ellipsis retains the MEDIA specifier of the original query. The ellipsis resolution ... replacing only "disks" and producing the phrase "fixed head tape drives", which is meaningless in the current domain. In these instances the semantic relations captured in...

Ngày tải lên: 08/03/2014, 18:20

... Past Tapanainen and Atro Voutilainen. Compil- ing and using finite-state syntactic rules. In Pro- ceedings of the fifteenth International Conference on Computational Linguistics. COLING-92. Vol. ... tag. Smoking is a main verb in a non-finite con- struction (hence the lower case tag @my); cigarette is an object in a non-finite construction; inspires is a main verb in a finite construction ... between two kinds of clause: the finite and the non- finite. A finite clause typically contains (i) a verb chain, one or more in length, one of which is a finite verb, and (ii) a varying number...

Ngày tải lên: 22/02/2014, 10:20

... set with increasing amounts of training data. In all cases for the table, we are evaluating on the same thirty document test set which is included in our training set, since our system in unsupervised. ... assignment” in that reference). 4 Inference Details Up until now, we’ve discussed Gibbs sampling, but we are not interested in sampling from the poste- rior P (Z|X), but in finding its mode. Instead ... observing the within-document gains from sharing shown in section 3, we can manually inspect the most frequently occurring entities in our corpora. Table 3 shows some of the most frequently occurring...

Ngày tải lên: 08/03/2014, 02:21

... coordination annotation principles (separating these out simplifies other components of the algorithm); traces (translates traces and coin- dexation in trees into corresponding reentrancies in f-structure ... types against approximately 9,000 tree-fragment types in (Johnson, 2002)) and fine-grained in its use of lexical information (sub- cat frames). In contrast to Johnson’s approach, our LDD resolution ... 2004). 1 Introduction The determination of syntactic structure is an im- portant step in natural language processing as syn- tactic structure strongly determines semantic inter- pretation in the...

Ngày tải lên: 08/03/2014, 04:22

... 2,10% 3,25% 2,57% 1,48% 1,75% Pronouns in Sentences Containing 0 pronouns 44,80% 48,09% 51,37% 64,04% 75,06% 77,84% 79,06% 83,79% 84,92% 90,95% Containing 1 pronoun 30,40% 31,37% 29,46% 23,07% ... 8,10% Containing 2 pronouns 14,94% 12,99% 12,26% 8,54% 5,27% 4,75% 2,79% 2,56% 2,57% 0,85% Containing +2 pronouns 9,86% 7,55% 6,90% 4,34% 2,51% 2,39% 0,60% 0,64% 0,88% 0,09% Ratio of pronominal reference ... Example Anaphora resolution: R a m B a h adu Question: “What did Democrats propose for low-income families?” Answer: “ They also want to provide small subsidies for low-income families in which both...

Ngày tải lên: 08/03/2014, 05:20

... principles of reasoning with uncertainty: e.g. Connoly (1994) and Mitkov (1997). Our system can be included into the first approach. In these integrated approaches the semantic and domain ... reminding whether the optional constituent has been parsed in the sentence or not. This information will be very useful in the resolution of NLP problems such as ellipsis or 386 because in ... tagging as input, and it will be applied after the partial parsing of a sentence (using the grammar described in Figure 4) and before obtaining its logical formula. This algorithm is shown in...

Ngày tải lên: 08/03/2014, 05:21

... expression , a binding constraint ( ) and an equality constraint between two discourse referents are intro- duced. Binding constraints are interpreted as equal- ity in the subordination order. ... unbound presup- positions remaining after anaphora resolution (cor- responding to accessibility constraints without bind- ing constraints) are accommodated, i.e. they end up in an accessible scope position ... subordination con- straint that links two source labels and also links the labels corresponding to and in a parallel structure , i.e. and for all . Thus the subordination constraint does not distinguish...

Ngày tải lên: 08/03/2014, 07:20

... examine something with a magnifier but unlikely to be examined, but for aliens the likelihoods of examining and being examined with a magnifier are more alike. Thus, it seems that the point ... certain sentences, Frazier & Fodor's (1978) Sausage Machine also behaves like an ISA model. In explaining their Local Association principle, they claim that in the first stage of parsing, ... (Abandonment might work in (2) by abandoning analysis upon the attempt at analysis of "examined" and then commencing re-analysis either (a) at a point determined by some internal schedule,...

Ngày tải lên: 08/03/2014, 18:20

... Enu- merating scope readings becomes solving domi- nance constraints, while ellipsis resolution is re- duced to solving parallelism constraints. Constraint solving subsumes satisfiability checking. Satisfiability ... description of the ellipsis meaning, and resolving the ellipsis (i.e. ac- tually determining its meaning). In this paper we focus on the problem of resolving ellipsis. We as- sume an analysis ... anaphoric links The interaction of ellipsis and anaphora (strict/sloppy ambiguity) is modeled by copying rules, which result in link chains equivalent to Kehler's (1995) analysis. For modeling...

Ngày tải lên: 08/03/2014, 21:20

... this interaction is in- volved in the treatment of cases of multiple VPE involving semantically equivalent wffs: in such cases, syntax often interacts with discourse information to determine ... levels of linguistic information can be stated within a category) is another important aspect of the model in that it allows for different knowledge sources to interact in determining VPE acceptability ... structure is one of the main factors determining VPE resolution in general. In this sense, the analysis proposed here fits well with one of the mainstream idea in discourse theory, which...

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