Báo cáo khoa học: "Finding Cognate Groups using Phylogenies" ppt
Báo cáo khoa học: "Finding Cognate Groups using Phylogenies" ppt
... assume
that cognate groups are already known. In this
work, we address this limitation, presenting a
model in which cognate groups can be discovered
automatically.
Finding cognate groups is not ... lan-
guage per cognate group. Because the assign-
ments of words to cognates is unknown, we spec-
ify an unknown alignment parameter π
for each
modern language which is an alignment...
Báo cáo khoa học: "Finding Word Substitutions Using a Distributional Similarity Baseline and Immediate Context Overlap" potx
... a new layer
of verification: we extract pairs of verbs using au-
tomatically derived semantic patterns, perform a
first stage of filtering using the semantic signa-
tures of each word and apply ... comes from using 50
immediate contexts starting with ‘to’, right con-
text only: we obtain 56% precision on a recall of
85% calculated on the results of the previous step.
Table 2: Results usin...
Báo cáo khoa học: "Query-Relevant Summarization using FAQs" ppt
... question is a summary of the FAQ relative to
that question.
find
def
1.2 Using FAQ data for summarization
We have proposed using statistical learning to con-
struct a summarization system, but have ... are:
: a probability distribution constructed using
not only , but also all words within the six sum-
maries (answers) surrounding in . Since
is calculated using more text than just alon...
Tài liệu Báo cáo khoa học: "Finding Hedges by Chasing Weasels: Hedge Detection Using Wikipedia Tags and Shallow Linguistic Features" doc
... Singapore, 4 August 2009.
c
2009 ACL and AFNLP
Finding Hedges by Chasing Weasels: Hedge Detection Using
Wikipedia Tags and Shallow Linguistic Features
Viola Ganter and Michael Strube
EML Research ... us-
ing corpus statistics and syntactic pat-
terns. We take Wikipedia as an already
annotated corpus using its tagged weasel
words which mark sentences and phrases
as non-factual. We evaluat...
Tài liệu Báo cáo khoa học: "Finding Synonyms Using Automatic Word Alignment and Measures of Distributional Similarity" pdf
... the
two synonym extraction approaches based on dis-
tributional similarity: one using syntactic context
and one using translational context based on word
alignment and the combination of both. ... Netherlands
{vdplas,tiedeman}@let.rug.nl
Abstract
There have been many proposals to ex-
tract semantically related words using
measures of distributional similarity, but
these typically are no...
Báo cáo khoa học: "Finding content-bearing terms using term similarities" pot
... Proceedings of EACL '99
Finding content-bearing terms using term similarities
Justin Picard
Institut Interfacultaire d'Informatique
University ... Neuchttel
SWITZERLAND
justin.picard@seco.unine.ch
Abstract
This paper explores the issue of using dif-
ferent co-occurrence similarities between
terms for separating query terms that are ...
similar to each other than to ot...
Báo cáo khoa học: "Finding Anchor Verbs for Biomedical IE Using Predicate-Argument Structures" potx
... Finding Anchor Verbs for Biomedical IE
Using Predicate-Argument Structures
Akane YAKUSHIJI† Yuka TATEISI‡† Yusuke MIYAO†
†Department of ... syntactic patterns on verbs (
anchor verbs
)
and their arguments. Anchor verbs can be se-
lected by focusing on their arguments. We propose
to use predicate-argument structures (PASs), which
are outputs ... obtain verbs and their
arguments. In this pape...
Tài liệu Báo cáo khoa học: "Grammar Error Correction Using Pseudo-Error Sentences and Domain Adaptation" pdf
... and
method.
• TRG: The models were trained using only the
real-error corpus (baseline).
• SRC: Trained using only the pseudo-error corpus.
• ALL: Trained using the real-error and pseudo-
error corpora ... task is hindered
by the difficulty of collecting large error cor-
pora. We tackle this problem by using pseudo-
error sentences generated automatically. Fur-
thermore, we apply domain...
Tài liệu Báo cáo khoa học: "Identifying Text Polarity Using Random Walks" pptx
... bulletin boards, newsgroups, or Inter-
net forums. Threaded discussions act as a very im-
portant tool for communication and collaboration
in the Web. An enormous number of discussion
groups exists ... achieves better performance by only using
WordNet synonym, hypernym and similar to rela-
tions. Adding co-occurrence statistics slightly im-
proved performance, while using glosses did no...
Tài liệu Báo cáo khoa học: "Automatic Headline Generation using Character Cross-Correlation" doc
... “
and he wrote it
” is compared with
the word “ﺐﺘﻛ” “
he wrote
” using the EWM method
the resulting score will be 0, but when using the
CCC method it will be 0.667. The CCC method
comes from ... have shown the effectiveness of using charac-
ter cross-correlation in choosing the best headline
out of nominated sentences from Arabic document.
The advantage of using character cross-...