Báo cáo khoa học: "Inducing Domain-specific Semantic Class Taggers from (Almost) Nothing" pot
Báo cáo khoa học: "Inducing Domain-specific Semantic Class Taggers from (Almost) Nothing" pot
... different semantic class.
3 Bootstrapping an Instance-based
Semantic Class Tagger from Seeds
3.1 Motivation
Our goal is to create a bootstrapping model that
can rapidly create semantic class taggers ... same semantic class (even though the
classifier isn’t ready to commit to them yet).
3.5 Dynamic Semantic Features
For many NLP tasks, classifiers use semantic fea-
tures...
Báo cáo khoa học: "Coreference Resolution Using Semantic Relatedness Information from Automatically Discovered Patterns" pptx
... word senses and semantic relations
are not available from the database (Vieira and Poe-
sio, 2000). In recent years, increasing interest has
been seen in mining semantic relations from large
text ... the same entity should have a certain semantic
relation. To obtain this semantic information, previ-
ous work on reference resolution usually leverages
a semantic lexicon like WordN...
Báo cáo khoa học: "The Role of Semantic Roles in Disambiguating Verb Senses" pot
... and their semantic
classes. We describe our approach to automatic
WSD of verbs using maximum entropy models to
combine information from lexical collocations, syn-
tax, and semantic class constraints ... sig-
nificantly by adding features from PropBank, which
explicitly encodes the predicate-argument informa-
42
tion that our original set of syntactic and semantic
class features a...
Báo cáo khoa học: "An Algebra for Semantic Construction in Constraint-based Grammars" pot
... con-
structions) may contribute semantic information,
but we assume that this information obeys all the
same constraints as the semantics for a sign, so
in effect such a rule is semantically equivalent ... G
= {g : g(i
1
) = g(i
2
)}
And this operation demonstrates that semantic
construction is compositional:
Theorem 2 Semantics of Semantic Construction
is Compositional
The mapping...
Báo cáo khoa học: "Automatic Acquisition of Ranked Qualia Structures from the Web" potx
... Qualia
Structures
Our approach to learning qualia structures from the
Web is on the one hand based on the assumption
that instances of a certain semantic relation can be
acquired by matching certain ... randomly selected
words (17.7%) does not differ substantially from the
overall average F-Measure (17.1%) to be sure that
we have chosen words from all F-Measure ranges.
In particular,...
Báo cáo khoa học: "Summarizing multiple spoken documents: finding evidence from untranscribed audio" potx
... identified directly
from untranscribed audio. Third, the underlying
paradigm of most ASR models aims to solve a
549
classification problem, in which speech is seg-
mented and classified into pre-existing ... is more likely to happen on salient words
such as named entities or domain-specific terms.
Our approach uses acoustic evidence from the
untranscribed audio stream. Consider text sum-
ma...
Báo cáo khoa học: Molecular characterization of artemin and ferritin from Artemia franciscana pot
... chosen constitute three
main subfamilies, one for ferritin H from vertebrates, one
for ferritin L from vertebrates, which contains ferritin H
from fish and amphibians, and a third for invertebrates
in ... are lined by the hydrophobic sides of four
E helices from different subunits. Eight hydrophilic channels
constructed with acidic residues from the D helices of three
neighboring sub...
Báo cáo khoa học: "Automatic Single-Document Key Fact Extraction from Newswire Articles" potx
... linguistic features. These
features range from the standard (n-gram fre-
quency), through the essential (sentence position),
to the semantic (spawned phrases, verb classes and
types of adverbs).
Our ... hand, most of CNN’s story high-
lights are not taken from the beginning of the ar-
ticles. In fact, more than 50% of the highlights
stem from sentences that are not among the first
100...
Báo cáo khoa học: "Learning Phrase-Based Spelling Error Models from Clickthrough Data" pot
...
q=harry+potter+theme+park&FORM=SSRE
Figure 1. A sample of query reformulation sessions
from three popular search engines. These sessions
show that a user first issues the query "harrypotter ... improvements in our task.
The data consist of a set of query sessions that
were extracted from one year of log files from a
commercial Web search engine. A query session
contains...
Tài liệu Báo cáo khoa học: "Inducing German Semantic Verb Classes from Purely Syntactic Subcategorisation Information" pdf
... frequencies range from 8 to
31,710.
Our target classification is based on semantic in-
tuitions, not on our knowledge of the syntactic be-
haviour. As an extreme example, the semantic class
Support ... Spanish (Vázquez et
al., 2000). The basic linguistic hypothesis underly-
ing the construction of the semantic classes is that
verbs in the same class share both meaning compo-
nents...
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