Báo cáo khoa học: "Optimizing Informativeness and Readability for Sentiment Summarization" pptx
Báo cáo khoa học: "Optimizing Informativeness and Readability for Sentiment Summarization" pptx
... algorithm for senti-
ment summarization that takes account of infor-
mativeness and readability, simultaneously. To
summarize reviews, the informativeness score is
based on sentiments and the readability ... scores that represent the informa-
tiveness and readability of the sentence or-
der. The informativeness score is defined
by the number of sentiment expressions
and th...
Báo cáo khoa học: "Integrating cohesion and coherence for Automatic Summarization" doc
... WordNet an tools for POS tagging and
Named Entity recognition and classification. It
can also be parametrised for obtaining summaries
of various lengths and at granularity levels.
As for relevance ... mainly
used for discourse segmentation.
The information stored in this DM lexicon was
used for identifying inter- and intra-sentential dis-
course segments (Alonso and Caste1...
Tài liệu Báo cáo khoa học: "Better Filtration and Augmentation for Hierarchical Phrase-Based Translation Rules" pdf
... the
hierarchal rule table, and introduces a new feature
to enhance the translation performance. We em-
ploy the relaxed-well-formed dependency struc-
ture to constrain both sides of the rule, and about
40% ... the dependency information of bilingual lan-
guages. We only keep rules that both sides are
relaxed-well-formed (RWF) dependency structure
(see the definition in Section 3), and di...
Tài liệu Báo cáo khoa học: "Word Vectors and Two Kinds of Similarity" pptx
... words and their meanings, and proven to
be highly useful both for many NLP applications
associated with semantic processing (Widdows,
2004) and for human modeling in cognitive sci-
ence (G¨ardenfors, ... increased,
r = .86 for the LSA-based method, r = .72 for
the correlation-based method and r = .93 for the
dictionary-based method (all ps < .0001), while
correct rates f...
Tài liệu Báo cáo khoa học: "Universal Grammar and Lexis for Quick Ramp-Up of MT Systems" doc
... total is not very high: verbs, around 30 episodes
for the finite forms, and about 40 for the non-finite
forms; nouns, around 20; adverbs and adjectives,
under 5. Morphology does include these ...
realization: [gender markers in lexicon for nouns; gen-
der inflection paradigms for adjectives, possessives and
verbs]
Instead of discovering parameters from scratch for
each...
Tài liệu Báo cáo khoa học: "Investigating GIS and Smoothing for Maximum Entropy Taggers" pot
...
00-
18 for training and
WSJ
22-24 for testing, and
Toutanova and Manning (2000) use
WSJ
00-20 for
training and
WSJ
23-24 for testing. Collins uses
a linear perceptron, and Toutanova and Manning
(T&A4) ... original formulation of
GIS
(Darroch and
Ratcliff, 1972) required the sum of the feature val-
ues for each event to be constant. Since this is
not the ca...
Báo cáo khoa học: "Optimizing Word Alignment Combination For Phrase Table Training" pptx
... 850K English words in the military force
protection domain. We train IBM Model-4 using
GIZA++ toolkit (Och and Ney, 2003) in two trans-
lation directions and perform different word align-
ment combination. ... that Foreign word f
j
is aligned with
English word e
i
. The direction of word alignments
is ignored. Since the goal of word alignment com-
bination is for phrase table training,...
Báo cáo khoa học: "Alternative Phrases and Natural Language Information Retrieval" pptx
... derivable from previous
discourse, and in Stone and Doran (1997) and
Stone and Webber (1998) for natural language
generation.
Lexical entries are written in the following
form, where the semantic parameters ... such NP as {NP,}* {or |and} NP
b. NP {, NP}* {,} {or |and} other NP
c. NP {,} including {NP,}* {or |and} NP
d. NP {,} especially {NP,}* {or |and} NP
This technique is adequat...
Tài liệu Báo cáo khoa học: "A structure-sharing parser for lexicalized grammars" pptx
... merged and minimised using standard al-
gorithms, and then parsed using an automaton-
based parser. We present algorithms for con-
structing automata from elementary structures,
merging and ... identi-
fied and processed only once.
Recent work by Evans and Weir (1997) and
Chen and Vijay-Shanker (1997) addresses this
problem from two different perspectives. Evans
and...
Tài liệu Báo cáo khoa học: "Performance Confidence Estimation for Automatic Summarization" ppt
... prediction), and utilizing
more representative examples for good and bad
performance. We also extend the analysis to sin-
gle document summarization, for which predict-
ing system performance turns ... vocabulary, and average co-
sine and topic signature similarity.
5 Correlations with performance
The Pearson correlations between features of the
input and average system performa...
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