browsing through portuguese semantic relations
Báo cáo khoa học: "Folheador: browsing through Portuguese semantic relations" pot
Ngày tải lên :
08/03/2014, 21:20
... Folheador, an online
service for browsing through Portuguese
semantic relations, acquired from differ-
ent sources. Besides facilitating the ex-
ploration of Portuguese lexical knowledge
bases, ... April 23 - 27 2012.
c
2012 Association for Computational Linguistics
Folheador: browsing through Portuguese semantic relations
Hugo Gonc¸alo Oliveira
CISUC, University of Coimbra
Portugal
hroliv@dei.uc.pt
Hernani ... LKBs, in addition to
information on words and semantic relations, it is
important that these interfaces provide usage ex-
amples where semantic relations hold, or at least
where related words...
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Tài liệu Báo cáo khoa học: "Ontologizing Semantic Relations" pdf
Ngày tải lên :
20/02/2014, 12:20
... automatically ontologiz-
ing (attaching) semantic relations into
WordNet. We present an empirical
evaluation on the task of attaching part-
of and causation relations, showing an
improvement on ...
two algorithms for ontologizing binary semantic
relations into WordNet and we present empirical
results on the task of attaching part-of and causa-
tion relations. Formally, given an instance ... complex lexi-
cal structures like binary semantic relations, the
paper focused only on attaching terms.
Basili (2000) proposed an unsupervised
method to infer semantic classes (WordNet syn-
sets)...
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Báo cáo khoa học: "Learning Arguments and Supertypes of Semantic Relations using Recursive Patterns" doc
Ngày tải lên :
07/03/2014, 22:20
... representation of semantic relations
using recursive lexico-syntactic patterns.
• An automatic procedure to learn the se-
lectional restrictions (arguments and super-
types) of semantic relations from ... ar-
guments and the supertypes of a diverse
set of semantic relations from the Web.
We evaluate the performance of our algo-
rithm on multiple semantic relations ex-
pressed using “verb”, “noun”, and ... de-
notes some (unspecified) semantic relation while
the first and third denote the learned arguments of
this relation. But TextRunner does not seek spe-
cific semantic relations, and does not re-use...
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Báo cáo khoa học: "Espresso: Leveraging Generic Patterns for Automatically Harvesting Semantic Relations" docx
Ngày tải lên :
08/03/2014, 02:21
... on extract-
ing semantic relations between entities, such as
entailments (Szpektor et al. 2004), is-a (Ravi-
chandran and Hovy 2002), part-of (Girju et al.
2006), and other relations.
The ... various seman-
tic relations exemplified by a given small set of
seed instances. We consider the standard is-a and
part-of relations as well as the following more
specific relations:
• succession: ... auto-
matically harvesting shallow semantic resources.
With seemingly endless amounts of textual data
at our disposal, we have a tremendous opportu-
nity to automatically grow semantic term banks
and...
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Báo cáo khoa học: "Interpreting Semantic Relations in Noun Compounds via Verb Semantics" pdf
Ngày tải lên :
08/03/2014, 02:21
... of se-
mantic relations to decide the semantic relation for
NCs.
3 Semantic Relations in Compound
Nouns
While there has been wide recognition of the need
for a system of semantic relations with ... of semantic
relations.
Based on the pioneering work on Levi (1979)
and Finin (1980), there have been efforts in com-
putational linguistics to arrive at largely task-
specific sets of semantic relations, ... of semantic relations.
First we map verb tokens in sentential con-
texts to a fixed set of seed verbs using
WordNet::Similarity and Moby’s
Thesaurus. We then match the sentences
with semantic relations...
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Báo cáo khoa học: "Sense Disambiguation Using Semantic Relations and Adjacency Information" docx
Ngày tải lên :
08/03/2014, 07:20
... particular semantic rela-
tion like hypernymy or purpose linking the two input
words, e.g., "return" is a hypernym of "forehand."
• Many heuristics look for particular semantic ...
and Retrieval with Semantic Background Knowl-
edge" Ph.D thesis, MIT Media Laboratory.
4. Chakravarthy, Anil S. and Haase, Kenneth B. 1995.
"NetSerf: Using Semantic Knowledge to ... Text Retrieval," in
Pro-
ceedings of SIGIR'93.
295
Sense Disambiguation Using Semantic
Relations and Adjacency Information
Anil S. Chakravarthy
MIT Media Laboratory
20 Ames Street...
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Báo cáo khoa học: "Using lexical and relational similarity to classify semantic relations" pptx
Ngày tải lên :
08/03/2014, 21:20
... promising
direction is to investigate relational models for un-
supervised semantic analysis of noun compounds.
The range of semantic relations that can be ex-
pressed by compounds is the subject of some ... is
evidence that the same semantic relation tends to
hold between the members of each pair. A re-
lational distributional hypothesis therefore states
that two word pairs are semantically similar if ... including SAT verbal analogy tests,
synonym/antonym classification and distinction
between semantically similar and semantically as-
sociated words. Our future research plans include
investigating the...
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Báo cáo khoa học: "Learning Semantic Links from a Corpus of Parallel Temporal and Causal Relations" doc
Ngày tải lên :
08/03/2014, 01:20
... syntactic features from Section 4.
Semantic The semantic features from Section 4.
All Both syntactic and semantic features.
All+Tmp (Causals Only) Syntactic and semantic
features, plus the gold-standard ... of parallel
temporal and causal relations and exploring machine
learning approaches to extracting these relations.
2 Related Work
Much recent work on temporal relations revolved
around the TimeBank ... showed that temporal
relations between a verb and a complement clause
could be identified with accuracies of nearly 90%.
Recent work on causal relations has also found
that arbitrary relations in text...
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