Báo cáo khoa học: "A Two-Stage Approach to Retrieving Answers for How-To Questions" pot

... into 85% for training, 5% for development, and 10% for test- ing. To make results on German and Dutch com- parable with English, we reduce the training, de- velopment, and testing set by 80% for ... our consideration to only the small set of output pat- terns of the same length. Thus, unlike typical sequence predictors, we do not have to search for the highest-scoring output a...

Ngày tải lên: 23/03/2014, 16:21

... bootstrapping approach to named entity (NE) classification. This approach only requires a few common noun/pronoun seeds that correspond to the concept for the target NE type, e.g. he/she/man/woman for ... method for PER NE, LOC NE, and ORG NE are 5%, 6%, and 34% respectively. The performance for PER and LOC are above 80%, approaching the performance of supervised learn...

Ngày tải lên: 20/02/2014, 16:20

... C3200 before moving on to investigate a plan for CS263. Since the teacher of C3200 has nothing to do with the plan for taking C3263, the mechanisms for retaining dialogue context will fail to iden- ... date for the AS conference is in February. Recourse to such a belief model is necessary in order to allow for Yes-No questions to which the answer is "No"...

Ngày tải lên: 21/02/2014, 20:20

... representational capacity to make such definitions, we have chosen as part of our design no_._tt to use it. For to use it, would mean stepping outside of NIKL to specify constants, and therefore, that the ... in formulae that lexical items map to. For in- stance, vessel and ship map to VESSEL. In the ex- ample above regarding pilot, the constants were PER- SON, FLYING-EV...

Ngày tải lên: 21/02/2014, 20:20

... us to derive word tag adjacency statistics for potential word tag disambiguation. But no parsed corpus exists yet for the purposes of derivln~ statistics for disambiguating parsing information. ... automatic constituent analysis. The detailed distinctions made by the subcategory symbols are devised with the aim of providing helpful information for automatic constituent anal...

Ngày tải lên: 22/02/2014, 09:20

... these cytochromes have been proposed to be ter- minal Fe(III) and Mn(IV) reductases, although their role in the reduction of other metals is less well understood. To obtain more insight into this, we ... reduction curves conforms to the MR-1R curve, allow us to deduce that the electron transport chain does not bifurcate any further, but ends at this point before transferring electrons...

Ngày tải lên: 07/03/2014, 09:20

... (TAHA) software tool 9 that enables sentences to be easily selected and stored for later inclusion in the doc- ument extract. In total, 70 undergraduate students from the Department of Information ... of parame- ters for a keyword extractor embedded in the Ex- tractor tool. 3 Or ˘ asan et al. (2000) enhanced the preference-based anaphora resolution algorithms by using a GA to find an o...

Ngày tải lên: 07/03/2014, 22:20

... which acts as a “dummy head” for the sentence. In order for the algorithm to parse sen- tences correctly, we will need to define D-rules to allow w 0 to be linked to the real sentence head. 3.3 ... (1999) define an O(n 3 ) parser for split head automaton grammars that can be used 4 Alternatively, we could consider items of the form [i, i + 1, F, F ] to be hypotheses for this...

Ngày tải lên: 08/03/2014, 01:20

... Google Scholar to perform better than BNC as source for finding hypotheses for lexical variants, which may be due to the larger amount of data available to Google Scholar. This seems to outweigh ... concept-A accumulator list which has not been used as an active element be- fore. Repeat steps 1-3 for k iterations Output: top M words of concept-A (verb) accumulator list and top N...

Ngày tải lên: 08/03/2014, 02:21

... parse for a dimensional model. so on. Tables were extracted from the collected sample, automatically cleaned, and tokenized into two-dimensional array of tokens. Table 7: Example table for Figures ... the reader would form a hypothesis about its data model, providing a semantic interpretation that al- lows the reader to extract information from the ta- ble. As can be seen from the resto...

Ngày tải lên: 08/03/2014, 02:21