lexicons from the web
Tài liệu Báo cáo khoa học: "Extraction and Approximation of Numerical Attributes from the Web" pdf
Ngày tải lên :
20/02/2014, 04:20
... each kind. These patterns are the only
attribute-specific resource in our framework.
Value extraction. The first pattern group,
P
values
, allows extraction of the attribute values
from the Web. All ... width 1.695m]’). We then extract new pat-
terns from the retrieved search engine snippets and
re-query the Web with the new patterns to obtain
more attribute values.
We provided the framework with ... value for the given
object. During the first stage it is possible that
we directly extract from the text a set of values
for the requested object. The bounds processing
step rejects some of these...
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Tài liệu Báo cáo khoa học: "Automatic Collection of Related Terms from the Web" pptx
Ngày tải lên :
20/02/2014, 16:20
... query is a term, its hit
is the number of pages that contain the term on the
Web. We use the following notation.
H(x)= the number of pages that contain
the term x”
The number H (x) can be used ... in the compiled corpus.
R: the target term did not exist on the collected web
pages.
Only 43 terms (20%) out of 210 terms were col-
lected by the system. This low recall primarily
comes from the ... explanation of the term.
4. There are several technical terms that are re-
lated to the term.
We have implemented the checking program of the
first two conditions in the system: the thirdcondition
can...
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Báo cáo khoa học: "A DOM Tree Alignment Model for Mining Parallel Data from the Web" doc
Ngày tải lên :
08/03/2014, 02:21
...
that, using the new web mining scheme, the web
mining throughput is increased by 32%; (ii) The
quality of the mined data is improved. By lever-
aging the web pages’ HTML structures, the sen-
tence ... English-Chinese parallel data
from the web. The mining procedure is initiated
by acquiring Chinese website list.
We have downloaded about 300,000 URLs of
Chinese websites from the web directories at ...
(1) Given a web site, the root page and web
pages directly linked from the root page are
downloaded. Then for each of the
downloaded web page, all of its anchor texts
(i.e. the hyperlinked...
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Báo cáo khoa học: "Automatic Acquisition of Ranked Qualia Structures from the Web" potx
Ngày tải lên :
08/03/2014, 02:21
... (not calculated over
the Web) as well as the conditional probability cal-
culated over the Web (Web- P) delivered the best re-
sults, while the PMI-based ranking measure yielded
the worst results. ... coefficient (Web- Jac), the Pointwise
Mutual Information (Web- PMI) and the conditional
probability (Web- P). We also present a version of
the conditional probability which does not use the
Web but merely ... appropriate
queries to the web search engine and choosing the
article leading to the highest number of results. The
corresponding patterns are then matched in the 50
snippets returned by the search engine...
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Báo cáo khoa học: "Mining Parenthetical Translations from the Web by Word Alignment" potx
Ngày tải lên :
17/03/2014, 02:20
... our modified version of the competitive link-
ing algorithm, the link score of a pair of words is
the sum of the φ
2
scores of the words themselves,
their prefixes and their suffixes.
In addition ...
pairs, where the translation of the in-parenthesis
terms is a suffix of the pre-parenthesis text. The
lengths and frequency counts of the suffixes have
been used to determine what is the translation ... C ≥ 2 E + K, where C is the length of the
Chinese text, E is the length of the English text in
the parentheses and K is a constant (we used K=6
in our experiments). The lengths C and E are...
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Báo cáo khoa học: "Semantic Class Learning from the Web with Hyponym Pattern Linkage Graphs" pdf
Ngày tải lên :
17/03/2014, 02:20
... hyponym patterns to
extract class instances from the web and then evalu-
ates them further by computing mutual information
scores based on web queries.
The work by (Widdows and Dorow, 2002) on lex-
ical ... to instantiate the pattern. On the
first iteration, the pattern is given to Google as a
web query, and new class members are extracted
from the retrieved text snippets. We wanted the
system to ... progresses. Initially, the seed is the only
trusted class member and the only vertex in the
graph. The bootstrapping process begins by instan-
tiating the doubly-anchored pattern with the seed
class...
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Báo cáo khoa học: "Extracting Hypernym Pairs from the Web" potx
Ngày tải lên :
17/03/2014, 04:20
... relations from the web. We
compare our approach with hypernym ex-
traction from morphological clues and from
large text corpora. We show that the abun-
dance of available data on the web enables
obtaining ... reason, we are interested in em-
ploying the web for the extraction of hypernym re-
lations. We are especially curious about whether the
size of the web allows to achieve meaningful results
with ... the two web ex-
periments and a combination of the best web ap-
proach with the morphological approach. The con-
junctive web pattern N en N rates best, because of its
high frequency. The recall...
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Báo cáo khoa học: Subunit sequences of the 4 · 6-mer hemocyanin from the golden orb-web spider, Nephila inaurata Intramolecular evolution of the chelicerate hemocyanin subunits pot
Ngày tải lên :
08/03/2014, 08:20
... assuming that the LpoHc2 and the a-subunits of
N. inaurata and E. californicum on the one hand, and
TtrHcA and the arachnid g-subunits on the other hand are
orthologous proteins (see above). The fossil ... allows the unambiguous assignment to
distinct subunit types. The orthologous subunits of these
species share 69.1–76.2% of their amino acids, with the a
subunits being the most conserved and the ... studies
The web- based tools provided by the ExPASy Molecular
Biology Server of the Swiss Institute of Bioinformatics
(http://www.expasy.org) and the program
GENEDOC
2.6
[25] were used for the analyses...
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Báo cáo khoa học: "Constructing Transliteration Lexicons from Web Corpora" docx
Ngày tải lên :
17/03/2014, 06:20
...
collected manually. One of the most important
attributes of these term pairs is that the numbers of
syllables in the source-language term and the target-
language term are equal. The syllables of both ... are produced or until other criteria are
met. The conversions used in the last round of the
training phase are then used to extract large-scale
transliterated-term pairs from query results.
Two ... isolated consonant.
Second, these English syllables are then converted
into Chinese syllables using the trained cross-
Constructing Transliteration Lexicons from Web Corpora
Jin-Shea Kuo
1,...
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Expert Service Oriented Architecture in C Sharp Using the Web Services Enhancements
Ngày tải lên :
20/08/2012, 13:59
... code
directly in the code-behind file of the .asmx Web service. But in a service-oriented
architecture, it is important to design the Web service components themselves so
that they truly act as ... to understanding the material in the second half of the book. The
remaining chapters of the book cover all of the WS-Specifications that are imple-
mented by WSE 2.0. Finally, the book closes ... and the
characteristics of a Web service from the perspective of SOA. This chap-
ter reviews the following topics:
• SOA concepts and application architecture
• The WS-I Basic Profile
• The WS-Specifications
•...
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