named entities from large corpora
Tài liệu Báo cáo khoa học: "Creating a Multilingual Collocation Dictionary from Large Text Corpora" docx
Ngày tải lên :
22/02/2014, 02:20
... Cooccurrence Extraction with Fips
Collocations are extracted from syntactically ana-
lysed corpora. The analysis is performed by Fips, a
large- scale parser based on an adaptation of
Chomksy's ... returns chunks of partial analyses. If
132
Creating a Multilingual Collocation Dictionary from Large Text Corpora
Luka Nerima, Violeta Seretan, Eric Wehrli
Language Technology Laboratory (LATL), ... linguistic analysis. The
originality of our approach comes from the fact
that collocations are not extracted from raw texts,
but rather from syntactically parsed texts. The lin-
guistic analysis...
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Báo cáo khoa học: "Creating a Multilingual Collocation Dictionary from Large Text Corpora" ppt
Ngày tải lên :
08/03/2014, 21:20
... (paragraph-level)
structure of documents is examined, possibly using
mark-up from text encoding.
133
Creating a Multilingual Collocation Dictionary from Large Text Corpora
Luka Nerima, Violeta Seretan, Eric Wehrli
Language ... linguistic analysis. The
originality of our approach comes from the fact
that collocations are not extracted from raw texts,
but rather from syntactically parsed texts. The lin-
guistic analysis ... textual corpora
from the World Trade Organisation (WTO), which
consist in parallel documents in three languages:
English, French and Spanish. All the examples
given in this paper are taken from...
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Tài liệu Báo cáo khoa học: "Bilingual Terminology Acquisition from Comparable Corpora and Phrasal Translation to Cross-Language Information Retrieval" pptx
Ngày tải lên :
20/02/2014, 16:20
... Japanese-English language pair,
especially if involving the comparable corpora.
Re-scoring through the Comparable Corpora
Comparable corpora could be considered for the
disambiguation of translation ... comparable corpora- based techniques, re-
spectively compared to the hybrid two-stages com-
parable corpora and linguistics-based pruning.
The proposed approach based on bi-directional
comparable corpora ... TR2-007.
P. Fung. 2000. A Statistical View of Bilingual Lexi-
con Extraction: From Parallel Corpora to Non-Parallel
Corpora. In Jean Veronis, Ed. Parallel Text Process-
ing.
G. Grefenstette. 1999....
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Tài liệu Báo cáo khoa học: "Finding Parts in Very Large Corpora" pdf
Ngày tải lên :
20/02/2014, 19:20
...
the machines at our disposal, so still larger corpora
would not be out of the question.
Finally, as noted above, Hearst [2] tried to find
parts in corpora but did not achieve good results. ... Lexicography 3 (1990), 235-245.
[2] Marti Hearst, "Automatic acquisition of hy-
ponyms from large text corpora, " in Proceed-
ings of the Fourteenth International Conference
on Computational ...
Abstract
We present a method for extracting parts of objects
from wholes (e.g. "speedometer" from "car"). Given
a very large corpus our method finds part words with
55% accuracy...
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Tài liệu Báo cáo khoa học: "Effect of Cross-Language IR in Bilingual Lexicon Acquisition from Comparable Corpora" pot
Ngày tải lên :
22/02/2014, 02:20
... translation
knowledge acquisition from WWW
news sites, this paper studies issues on
the effect of cross-language retrieval of
relevant texts in bilingual lexicon ac-
quisition from comparable corpora. We
experimentally ... parallel/comparative
corpora. However, the sizes as well as the domain
of existing parallel/comparative corpora are lim-
ited, while it is very expensive to manually col-
lect parallel/comparative corpora. ... approach of acquiring transla-
tion knowledge of domain specific named entities,
event expressions, and collocational expressions
from the collection of bilingual news articles on
WWW news sites...
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Báo cáo khoa học: "Learning Condensed Feature Representations from Large Unsupervised Data Sets for Supervised Learning" docx
Ngày tải lên :
07/03/2014, 22:20
... utilize a large amount of unsupervised
data to supplement supervised data. Specifically,
an approach that involves incorporating ‘clustering-
based word representations (CWR)’ induced from
unsupervised ... Limited
Memory BFGS Method for Large Scale Optimization.
Math. Programming, Ser. B, 45(3):503–528.
Mitchell P. Marcus, Beatrice Santorini, and Mary Ann
Marcinkiewicz. 1994. Building a Large Annotated
Corpus ... 2011.
c
2011 Association for Computational Linguistics
Learning Condensed Feature Representations from Large Unsupervised
Data Sets for Supervised Learning
Jun Suzuki, Hideki Isozaki, and Masaaki...
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Báo cáo khoa học: "Annotating and Recognising Named Entities in Clinical Notes" pot
Ngày tải lên :
08/03/2014, 01:20
... 15000 clin-
ical named entities in 11 entity types. This
paper reports on the challenges involved in
creating the annotation schema, and recog-
nising and annotating clinical named enti-
ties. ... step to the extraction of structured in-
formation from these clinical notes is to achieve
accurate identification of clinical concepts or
named entities. An entity may refer to a concrete
object ... 3 named entities - CT, pituitary macroade-
noma and suprasellar cisterns in the sentence:
CT revealed pituitary macroadenoma in suprasel-
lar cisterns.
In recent years, the recognition of named...
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Báo cáo khoa học: " Translating Named Entities Using Monolingual and Bilingual Resources" ppt
Ngày tải lên :
08/03/2014, 07:20
... IdentiFinder
named entity identifier (Bikel et al., 1999) to iden-
tify all named entities in the top
retrieved docu-
ments for each sub-phrase. All named entities of
the type of the named entity ... articles and hence the named entities
will most likely be reported in many languages in-
cluding the target language. Instead of having to
come up with translations for the named entities of-
ten with ... While the identifica-
tion of named entities in text has received sig-
nificant attention (e.g., Mikheev et al. (1999) and
Bikel et al. (1999)), translation of named entities
has not. This translation...
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Báo cáo khoa học: "Detecting Highly Confident Word Translations from Comparable Corpora without Any Prior Knowledge" doc
Ngày tải lên :
08/03/2014, 21:20
... of bilingual lexicon extraction
from parallel corpora. This assumption should
also be reasonable for many types of comparable
corpora such as Wikipedia or news corpora, which
are topically aligned ... trans-
lation candidates from multilingual comparable
corpora. By employing the algorithm we have
improved precision scores of the methods rely-
ing on per-topic word distributions from a cross-
language ... efficiently bridge the gap between
languages. That seed lexicon is usually crawled
from the Web or obtained from parallel corpora.
Recently, Li et al. (2011) have proposed an ap-
proach that improves...
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Báo cáo khoa học: "CS NIPER Annotation-by-query for non-canonical constructions in large corpora" pdf
Ngày tải lên :
16/03/2014, 20:20
... annotation tasks that require manual analysis
over large corpora. The approach is generalizable
to any kind of linguistic phenomena that can be lo-
cated in corpora on the basis of queries and require
manual ... suitable software. Their empirical distribu-
tion in corpora is thus largely unknown.
A major task in recognizing NCCs is distin-
guishing them from structurally similar construc-
86
Figure 3: KWIC ... investiga-
tion requires the analysis of large corpora due to
a relatively low frequency of instances and whose
identification requires expert knowledge to distin-
guish them from other similar constructions....
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Báo cáo khoa học: "Toolkit for Multi-Level Alignment and Information Extraction from Comparable Corpora" pptx
Ngày tải lên :
16/03/2014, 20:20
... sentence
pairs are extracted from the aligned comparable
corpora (section 2.2).
The workflow for named entity (NE) and
terminology extraction and mapping from
comparable corpora extracts data in ... and
named entities. The toolkit pairs similar
bilingual comparable documents and extracts
parallel sentences and bilingual terminological
and named entity dictionaries from comparable
corpora. ... translation;
named entity dictionaries.
The demonstration showcases two general use
case scenarios defined in the toolkit: “parallel data
mining from comparable corpora and named
entity/terminology...
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Báo cáo khoa học: "Recognizing Named Entities in Tweets" docx
Ngày tải lên :
17/03/2014, 00:20
... semi-
supervised learning.
1 Introduction
Named Entities Recognition (NER) is generally un-
derstood as the task of identifying mentions of rigid
designators from text belonging to named- entity
types such as ... Extracting personal names from email: apply-
ing named entity recognition to informal text. In HLT,
pages 443–450.
David Nadeau and Satoshi Sekine. 2007. A survey of
named entity recognition and ... challenges
and misconceptions in named entity recognition. In
CoNLL, pages 147–155.
Sameer Singh, Dustin Hillard, and Chris Leggetter. 2010.
Minimally-supervised extraction of entities from text
advertisements....
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Báo cáo khoa học: "Building Emotion Lexicon from Weblog Corpora" potx
Ngày tải lên :
17/03/2014, 04:20
... 133–136,
Prague, June 2007.
c
2007 Association for Computational Linguistics
Building Emotion Lexicon from Weblog Corpora
Changhua Yang Kevin Hsin-Yih Lin Hsin-Hsi Chen
Department of Computer Science and ... mine the relationships between
words and emotions using weblog corpora.
A collocation model is proposed to learn
emotion lexicons from weblog articles.
Emotion classification at sentence level ... Blog from
January to July, 2006, spanning a period of 212
days. In total, 336,161 bloggers’ articles were col-
lected. Each blogger posts 16 articles on average.
We used the articles from...
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Báo cáo khoa học: "Detecting Semantic Relations between Named Entities in Text Using Contextual Features" pdf
Ngày tải lên :
17/03/2014, 04:20
... solves
problems, which result from when a parallel
sentence arises from predication ellipsis. How-
ever, there are several types of parallel sentence
that differ from the one we explained. (For ... are
sorted in order of likelihood of being the antecedent.
The sorting algorithm has two steps. First, from the
beginning of the text until the pronoun appears, noun
Osakao
asu , Naomiothers
ni
ga
Ken
wa
Osakao
asu ... anaphora resolutions here.
Applied centering theory to relation detection is
as follows. First, from the beginning of the text until
the following NE appears, noun phrases are stacked
depending...
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Báo cáo khoa học: "Mapping Concrete Entities from PAROLE-SIMPLE-CLIPS to ItalWordNet: Methodology and Results" potx
Ngày tải lên :
17/03/2014, 04:20
... (henceforth TCs)
clustered in three categories distinguishing 1
st
OrderEntities, 2
nd
OrderEntities and 3
rd
Order
Entities. Their subclasses, hierarchically ordered by
means of a subsumption ... ontology of
semantic types.
2
Corpora e Lessici dell'Italiano Parlato e Scritto.
161
The IWN Top Ontology (TO) (Roventini et al.,
2003), which slightly differs from the EWN TO
3
,
consists ... 161–164,
Prague, June 2007.
c
2007 Association for Computational Linguistics
Mapping Concrete Entities from PAROLE-SIMPLE-CLIPS to
ItalWordNet: Methodology and Results
Adriana Roventini, Nilda...
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