Báo cáo khoa học: "Chinese Unknown Word Identification Using Character-based Tagging and Chunking" docx
Báo cáo khoa học: "Semi-Supervised Cause Identification from Aviation Safety Reports" pot
... appear in P than in
N from the set of candidate words
7
. To select
these words, we calculate the log likelihood ratio
log(
C(t,P )
C(t,N)+1
) for each candidate word t, where
C(t, P ) is the number ... the shaper Famil-
iarity and the word “rely”, or between the shaper
Pressure and the word “extend”. We suspect that
the bootstrapping algorithm is likely to make poor
word selectio...
Tài liệu Báo cáo khoa học: "Semantic Classification of Noun Phrases Using Web Counts and Learning Algorithms" ppt
... noun and modifier words as attributes, using a
lexical hierarchy to extract these properties. This
approach was used by Rosario and Hearst (2001)
within a specific domain – medical texts. Using ... over 16 classes.
Nastase and Szpakowicz (2003) use the position
of the noun and modifier words within general se-
mantic hierarchies (Roget's Thesaurus and Word-
Net) as...
Báo cáo khoa học: "Large-Scale Cross-Document Coreference Using Distributed Inference and Hierarchical Models " pptx
... Allan, 2004). Pedersen et
al. (2006) and Purandare and Pedersen (2004) inte-
grate second-order co-occurrence of words into the
similarity function. Mann and Yarowsky (2003) use
biographical ... on
Learning on Cores, Clusters and Clouds.
Ben Wellner, Andrew McCallum, Fuchun Peng, and
Michael Hay. 2004. An integrated, conditional model
of information extraction and coreference with...
Tài liệu Báo cáo khoa học: "Chinese Word Segmentation without Using Lexicon and Hand-crafted Training Data" pdf
... Chinese Word Segmentation
without Using Lexicon and Hand-crafted Training Data
Sun Maosong, Shen Dayang*, Benjamin K Tsou**
State Key Laboratory of Intelligent Technology and Systems, ... Chinese word
segmentation developed so far, both statistical and
rule-based, exploited two kinds of important
resources, i.e., lexicon and hand-crafted linguistic
resources(manually segm...
Báo cáo khoa học: "Chinese Segmentation with a Word-Based Perceptron Algorithm" docx
... characters c
1
and c
2
of two con-
secutive words
13
a word of length l and the previous word w
14
a word of length l and the next word w
Table 1: feature templates
do not involve word information. ... first and last characters c
1
and c
2
of any
word
9
word w immediately before character c
10
character c immediately before word w
11
the starting characters c
1
and...
Tài liệu Báo cáo khoa học: "Learning Sub-Word Units for Open Vocabulary Speech Recognition" doc
... coherence.
Hybrid word/ sub -word recognizers can produce a
sequence of sub -word units in place of OOV words.
Ideally, the recognizer outputs a complete word for
in-vocabulary (IV) utterances, and sub -word ... a sub -word lexicon, the word and sub-
words are combined to form a hybrid language
model (LM) to be used by the LVCSR system. This
hybrid LM captures dependencies betwee...
Tài liệu Báo cáo khoa học: "Yet Another Word Alignment Tool" docx
... into devising and improving automatic word
alignment algorithms, and into evaluating their per-
formance (e.g., Och and Ney, 2003; Taskar et al.,
2005; Moore et al., 2006; Fraser and Mar c u, ... visualization
and creation of word alignments have b e e n devel-
oped (e.g., Melamed, 1998; Smith and Jahr, 2000;
Ahrenberg et al., 2002; Rassier and Pedersen, 2003 ;
Daum´e; Tiede...
Tài liệu Báo cáo khoa học: "Predicting Unknown Time Arguments based on Cross-Event Propagation" ppt
... Filatova and Hovy, 2001; Mani et
al., 2003; Lapata and Lascarides, 2006; Eidelman,
2008).
Most of the prior work focused on the sen-
tence level by clustering sentences into topics
and ordering ... Propagation
EM
i
and EM
j
are in the same sentence and
only one time expression exists in the sen-
tence; This follows the within-sentence infer-
ence idea in (Lapata and Lascari...
Tài liệu Báo cáo khoa học: "Guiding Statistical Word Alignment Models With Prior Knowledge" pdf
... Bag-of -word Model
One method we investigate is a simple bag-of-
word model as in monolingual LSA. We treat each
sentence pair as a document and do not distin-
guish source words and target words ... bag-of -word model puts all
source words and target words as rows in the ma-
trix, another method of deriving semantic constraint
constructs the sparse matrix by taking source words
as...
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