Báo cáo khoa học: "End-to-End Relation Extraction Using Distant Supervision from External Semantic Repositories" docx
Báo cáo khoa học: "End-to-End Relation Extraction Using Distant Supervision from External Semantic Repositories" docx
... 2011.
c
2011 Association for Computational Linguistics
End-to-End Relation Extraction Using Distant Supervision
from External Semantic Repositories
Truc-Vien T. Nguyen and Alessandro Moschitti
Department ... paper, we extend DS by (i) considering
relations from semantic repositories different from
Wikipedia, i.e. YAGO, and (2) using training in-
stances derived from...
Báo cáo khoa học: "Unsupervised Relation Extraction by Mining Wikipedia Texts Using Information from the Web" pdf
... away from different
surface realizations of semantic relations to dis-
cover discriminative patterns efficiently.
Linguistic analysis is another effective tech-
nology for semantic relation extraction, ... semantic relations from
a large corpus, we present an unsupervised rela-
tion extraction method using deep linguistic in-
formation to alleviate surface and noisy surface
pa...
Tài liệu Báo cáo khoa học: "Unsupervised Relation Disambiguation Using Spectral Clustering" ppt
... 4.
2 Unsupervised Relation Extraction
Problem
Assume that two occurrences of entity pairs with
similar contexts, are tend to hold the same relation
type. Thus unsupervised relation extraction prob-
lem ... unsupervised relation extraction is
evaluated on ACE 2003 corpus, which contains 519
files from sources including broadcast, newswire,
and newspaper. We only deal with intra-...
Báo cáo khoa học: "Chinese Term Extraction Using Different Types of Relevance" potx
... term
candidate extraction. Other tasks such as named
entity recognition, meaningful word extraction
and unknown word detection, use techniques
similar to that for term candidate extraction. But, ... previous work, all term
candidates are extracted from the same domain
corpora using the delimiter based algorithm
TCE_DI (Term Candidate Extraction – Delimiter
Identification) wh...
Báo cáo khoa học: "Accurate Collocation Extraction Using a Multilingual Parser" docx
... collocational information from corpora by
using a syntactic parser that supports several lan-
guages. After describing the underlying method-
ology (section 2), we report several extraction re-
sults ... method
classically used in collocation extraction, from the
point of view of their precision with respect to
grammaticality and collocability.
5.1 The Method
The n-best extraction...
Báo cáo khoa học: "Synonymous Collocation Extraction Using Translation Information" ppt
... syntactical
relations (dependency relations), such as <verb,
OBJ, noun>, <noun, ATTR, adj>, and <verb, MOD,
adv>. These dependency triples, which embody the
syntactic relationship ... relation type.
),(*,
2
crcount
c
: frequency of the collocations with
c
2
as the modifier and r
c
as the relation type
,*)(*,
c
rcount
: frequency of the collocations with r
c
as...
Báo cáo khoa học: "Reducing Wrong Labels in Distant Supervision for Relation Extraction" potx
... n3@}dl.itc.u-tokyo.ac.jp
Abstract
In relation extraction, distant supervision
seeks to extract relations between entities
from text by using a knowledge base, such as
Freebase, as a source of supervision. When
a ... the performance of relation
extraction.
1 Introduction
Machine learning approaches have been developed
to address relation extraction, which is the task of
extr...
Báo cáo khoa học: "Open Information Extraction using Wikipedia" pdf
... Snowball: Ex-
tracting relations from large plain-text collections.
In ICDL.
Alan Akbik and J
¨
ugen Broß. 2009. Wanderlust: Ex-
tracting semantic relations from natural language
text using dependency ... semantic re-
lation extraction. In CEUR Workshop.
Dat P.T Nguyen, Yutaka Matsuo, and Mitsuru Ishizuka.
2007. Exploiting syntactic and semantic informa-
tion for relation extr...
Tài liệu Báo cáo khoa học: "Supervised Grammar Induction using Training Data with Limited Constituent Information *" docx
... language by learning from ex-
ample sentences drawn from the language. The
degree of difficulty in this task depends on three
factors. First, it depends on the amount of
supervision provided. ... anonymous reviewers for
their comments on the paper.
from that domain, in which the training pro-
cess would require hand-parsed sentences from
the new domain. Because parsing a large...
Báo cáo khoa học: "Word Sense Disambiguation Using Label Propagation Based Semi-Supervised Learning" docx
... fall into
three categories according to what is used for su-
pervision in learning process: (1) using external re-
sources, e.g., thesaurus or lexicons, to disambiguate
word senses or automatically ... classifying unlabeled examples and
adding confidently classified examples into labeled
dataset using a model learned from augmented la-
beled dataset in previous iteration. It can be foun...
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