Báo cáo khoa học: "Word Association Norms, Mutual Information, and Lexicography" pot
Báo cáo khoa học: "Word Association Norms, Mutual Information, and Lexicography" pot
... Word Association Norms, Mutual Information, and Lexicography
Kenneth Ward Church
Bell Laboratories
Murray Hill, N.J.
Patrick Hanks
CoLlins Publishers
Glasgow, Scotland
Abstract ... corpora.
(The standard method of obtaining word association
norms, testing a few thousand subjects on a few
hundred words, is both costly and unreliable.) The
, proposed measure,
the ass...
Báo cáo khoa học: "Word Association and MI-Trigger-based Language Modeling" potx
... word pair was stronger and faster than
that to a poorly associated word pair.
The strength of word association can be
measured by mutual information. By computing
mutual information of a ... windows size and i- j + 1 is
the distance between the words w. and w i . The
first item in each of Equation 5 and 6 is the
logarithmic probability of S using a word
unigram model and...
Báo cáo khoa học: "Word Sense Induction for Novel Sense Detection" pot
... the
work of Brody and Lapata (2009) and others, we
approach WSI via topic modelling — using La-
tent Dirichlet Allocation (LDA: Blei et al. (2003))
and derivative approaches — and use the topic
model ... (Agirre and
Soroa, 2007), so we similarly apply our HDP
method to this dataset for direct comparability. In
the remainder of this section, we refer to Brody
and Lapata (2009) as B...
Báo cáo khoa học: "Word Sense Disambiguation Improves Information Retrieval" ppt
... disambiguate terms
in both queries and documents with the senses pre-
defined in hand-crafted sense inventories, and then
used the senses to perform indexing and retrieval.
Voorhees (1993) used ... (1)
where p(t|θ
q
) and p(t|θ
d
) are the generative proba-
bilities of a term t from the models θ
q
and θ
d
, V is
the vocabulary of C, and E(θ
q
) is the entropy of q.
Define tf (t, d)...
Báo cáo khoa học: "Word Alignment via Submodular Maximization over Matroids" pot
... Bilmes, 2004;
Narasimhan and Bilmes, 2005; Krause and Guestrin,
2005; Narasimhan and Bilmes, 2007; Krause et al.,
2008; Kolmogorov and Zabin, 2004; Jegelka and
Bilmes, 2011) and have recently been ... and Pedersen, 2003). This corpus con-
sists of 1.1M automatically aligned sentences, and
comes with a test set of 447 sentences, which have
been hand-aligned and are marked wit...
Tài liệu Báo cáo khoa học: "TRANSPORTABLE NATURAL-LANGUAGE INTERFACES: PROBLEMS AND TECHNIQUES" pot
... as simplifying the general problem and
where, on the other hand, transportability (and
the way in which database systems typically
structure
information and view
the
world) makes
things ... schema and
the database schema, these must be organized so
that
the information they encode about any
particular database and its corresponding domain
can be obtained systematically (a...
Tài liệu Báo cáo khoa học: "A COMMON FRAMEWORK FOR ANALYSIS AND GENERATION" potx
... analysis and
generation. We argue that the only part of the
average NL system's knowledge that we can have
any faith in is its vocabulary and, to a lesser ex-
tent, its syntactic rules, and ... from the
discourse representations of the subject and the
predicate. The subject and predicate each pro-
vide some background constraints, and then their
meanings get combined (...
Báo cáo khoa học: "Lexical Disambiguation: Sources of Information and their Statistical Realization" docx
... understanding of the
text or frequency characteristics of it.
One kind of information relates to the under-
standing of the meaning of the text, using semantic
and pragmatic knowledge and applying ... the relative frequencies of word senses
and associations between word senses. These fac-
tors were shown to play an important role in lexical
retrieval, and were suggested as releva...
Báo cáo khoa học: "A Model of Lexical Attraction and Repulsion*" potx
... Nikkei corpus, and the Switchboard
corpus of conversational speech. Upper row: All non-self (left) and self triggers (middle) appearing fewer
than 100 times in the Nikkei corpus, and the curve ... (middle), and all self triggers appearing fewer than 100 times in the entire
Switchboard corpus (right).
the distribution p, has mean 1/y and variance 1/y 2.
This distribution is a go...
Báo cáo khoa học: "A Calculus for Semantic Composition and Scoping" pot
...
(Curry and Feys, 1968;
Stenlund, 1972; Anderson and Be]nap, 1975). In contrast,
with the restriction we have the weaker system of pure rel-
evant implication R- (Prawitz, 1965; Anderson and Bel- ... Dordrecht, Netherlands.
Haskell B. Curry and Robert Feys. 1968. Com-
binatory Logic, Volume L Studies in Logic
and the Foundations of Mathematics. North-
Holland, Amsterdam, Holla...