Báo cáo khoa học: "Dynamic programming for parsing and estimation of stochastic unification-based grammars∗" pot
Báo cáo khoa học: "Dynamic programming for parsing and estimation of stochastic unification-based grammars∗" pot
... Dynamic programming for parsing and estimation of
stochastic unification-based grammars
∗
Stuart Geman
Division of Applied Mathematics
Brown University
geman@dam.brown.edu
Mark Johnson
Cognitive and ... Proceedings of the 40th Annual Meeting of the Association for
pus. For most linguistically realistic grammars this
set is finite, and for moderate sized grammars...
Báo cáo khoa học: "Dynamic Programming for Linear-Time Incremental Parsing" pptx
... shift-reduce.
For convenience of presentation and experimen-
tation, we will focus on shift-reduce parsing for
dependency structures in the remainder of this pa-
per, though our formalism and algorithm ... as
well as the tags of their left- and rightmost chil-
dren, plus the root tag of the third tree s
2
, and fi-
nally the word and tag of the queue head q
0
and th...
Báo cáo khoa học: "Attention Shifting for Parsing Speech ∗" pdf
... probability. Part -of- speech
tags T
q
and T
r
are the candidate tags to the left
and right of the constituent N
i
j,k
. The fwd() and
bkwd() functions are the HMM forward and back-
ward probabilities ... oracle WER for the
word-lattices after first stage pruning, and the WER
of the complete multi-stage parser. In all of the
word-lattice parsing experiments, we pruned the s...
Tài liệu Báo cáo khoa học: "Lexicographic Semirings for Exact Automata Encoding of Sequence Models" pdf
... semiring and motivate its use
for speech and language processing tasks. We
prove that the semiring allows for exact en-
coding of backoff models with epsilon tran-
sitions. This allows for off-line ... which re-
flects the semantics of the “otherwise” formulation
of smoothing (Allauzen et al., 2003). For example,
the typical backoff formulation of the probability of
a wor...
Tài liệu Báo cáo khoa học: "An API for Measuring the Relatedness of Words in Wikipedia" docx
... Proceedings of the ACL 2007 Demo and Poster Sessions, pages 49–52,
Prague, June 2007.
c
2007 Association for Computational Linguistics
An API for Measuring the Relatedness of Words in Wikipedia
Simone ... amount of work in
Natural Language Processing (NLP) using measures
of semantic similarity and relatedness. We believe
that the extensive usage of such measures derives
als...
Tài liệu Báo cáo khoa học: "Hypertext Authoring for Linking Relevant Segments of Related Instruction Manuals" pptx
...
where
cw
and
cw'
are scores of importance for co-
occurrence of words, tk and t~. Intuitively,
cw
and
cw'
are counter parts of
tf. idf
for co-occurrence of
words and co-occurrence ... between
cw
and
cw'
is the following,
cw
is calculated for
each noun. On the other hand,
cw'
is calculated for
each combination of noun and its...
Tài liệu Báo cáo khoa học: "DESCRIPTION STRATEGIES FOR NAIVE AND EXPERT USERS" pot
... the problems
of
what to
say and how to organize text coherently. She
examined texts and transcripts, classifying _ each
sentence as one of a set of rhetorical predicates 3 and
found that ... presented account for the mare
differences found between the adult and jumor entries.
This turns out not to consist of merely
glving more
details for the expert ~ m often thou...
Báo cáo khoa học: Therapeutic approaches for prion and Alzheimer’s diseases pot
... directly
neurotoxic and ⁄ or can promote formation of neuro-
fibrillary tangles [7]. Both fibrillar Ab and PrP
Sc
are
capable of forming amyloid deposits. The presence of
amyloid deposits is necessary for making ... inherited forms of
CJD are the result of a point mutation in PrP
C
that
increases the propensity for it to assume an abnormal
conformation. Virtually all genetic d...
Báo cáo khoa học: "Bayesian Inference for Zodiac and Other Homophonic Ciphers" docx
... Linguistics
Bayesian Inference for Zodiac and Other Homophonic Ciphers
Sujith Ravi and Kevin Knight
University of Southern California
Information Sciences Institute
Marina del Rey, California 90292
{sravi,knight}@isi.edu
Abstract
We ... direction. The
number of potential cipher symbol substitutes for a
particular plaintext letter is often proportional to the
frequency of that le...
Báo cáo khoa học: "A Method for Word Sense Disambiguation of Unrestricted Text" potx
... sense
of one of the words. Pick one of the words,
say W2, and using WordNet, form a similarity
list for each sense of that word. For this, use
the words from the synset of each sense and the ... word-word co-
occurrences and (2)WordNet for measuring the
semantic density for a pair of words. We report
an average accuracy of 80% for the first ranked
sense,...