the natural language toolkit

... 62–68, ACL Edward Loper and Steven Bird. 2002. NLTK: The Natural Language Toolkit. In Proc ACL Workshop on Effective Tools and Methodologies for Teaching Natural Language Processing and Computational Linguistics, ... 19104-2653, USA Abstract The Natural Language Toolkit is a suite of program modules, data sets and tutorials supporting research and teaching in com- putational linguistics and natural language processing. ... Python lan- guage. This paper reports on the simpli- fied toolkit and explains how it is used in teaching NLP. 1 Introduction NLTK, the Natural Language Toolkit, is a suite of Python modules providing...

Ngày tải lên: 20/02/2014, 12:20

Ngày tải lên: 20/02/2014, 18:20

... with respect to the plan get x; notice that the (most direc0 connection between these two actions requires the assumption that the referent of the urn of coffee is in the other room. Schematically, ... for the whole duration offal/: Ex. 10 Hold the cup under the spigot to fill it with coffee. Notice that, in the same way that the generatee affects the execution of the generator, so the ... ancestors of each other, but they can be unified - all the information they provide is compatible, as in the case of cut square in half along diagonal and cut square carefully - then their unification...

Ngày tải lên: 20/02/2014, 21:20

... following the associative OUTPUTFROM link from wlne. If either of these tests succeed, then the object found is inferred to be the container poured from. At dlfferent times, either the ... memory by adding the new state information to the token in the ACTOR slot of the state description. Thus the bottle token is updated to include the gtven CONNECTOR description. For the purposes ... during the initial analysis finds the contents of the bottle mentioned in the first clause of the sentence. Thls expectation was set up by a demon called the CONTENTS-FINDER when the description...

Ngày tải lên: 21/02/2014, 20:20

... that if the variable is bound to it, the proposition is true. POWER takes a sort as argument and produces the predicate cor- responding to the power set of the set denoted by the sort. These ... acquiring the definitions of vessel and speed, the system should infer interpretations for phrases such as the speed of a vessel, the vessel's speed, and the vessel speed. Given the current ... PHRASES the speed of a vessel the vessers speed the vessel speed RESULTS from COMPOSITIONALITY The vessel speed of Vinson Vinson has speed 1 The vessels with a speed of 20 knots The vessel's...

Ngày tải lên: 21/02/2014, 20:20

... extracted from the corpus. The enforcement of this criterion reduces on one hand the recall of the dis- course markers that can be detected, but on the other hand, increases significantly the precision. ... cursively: they correspond to the most important units of the immediate subspans when the relation that holds between these subspans is paratactic, and to the most im- portant units of the nucleus ... of the marker in the textual unit to which it belonged: Begin- ning, Medial, or End. 4. The right boundary of the textual unit associated with the marker. 5. The relative position of the...

Ngày tải lên: 22/02/2014, 03:20

... if the or- dered pair a, b appears in the training data more often then the pair b, a, then a ≺ b. If the re- verse is true, and b, a is found more often than a, b, then b ≺ a. If neither ... in the train- ing data, we assign the instance ab to the class a ≺ b. Otherwise, we assign it to the class b ≺ a. Seen as a solution to a classification problem, the direct evidence method then ... H(D f=v i ) is the entropy of subset of the in- stance base which has value v i for feature f. The information gain of a feature then is simply the difference between the total entropy of the in- stance...

Ngày tải lên: 08/03/2014, 05:20

Ngày tải lên: 08/03/2014, 18:20

... claims that the mean- ing of the disjunction is that &apos ;the state change (the mussels are open) is to be used to determine the duration of the action (2 minutes)' [ibid] (my parentheses) ... one of the clauses that is performing the role of establishing the truth of the sentence. Aspectual category and verbal modifiers Karlin's discussion is given in the context of the aspectual ... that the meaning is not simply that of log- ical disjunction, but we need to examine the issue further. Data that I have collected gives evidence that the use of the or is not significant. There...

Ngày tải lên: 17/03/2014, 08:20

... is the previous If none exist, then all selected whose focused argument the focus-stack. If these do not narrow down the a single proposition, that the greatest number of links to the ... self-propelled. 2) There are 2 types of guided projectiles in the ONR database: torpedoes and missiles. 3) The missile has a target location in the air or on the earth's surface. 4) The torpedo ... by matching the predicates it contains against the relevant knowledge pool. The semantics of each predicate define the type of information it can match in the knowledge pool. The semantics...

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Ngày tải lên: 17/03/2014, 19:21

Ngày tải lên: 17/03/2014, 19:21

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