automatic extraction of lexicosyntactic patterns
Tài liệu Báo cáo khoa học: "Automatic Extraction of Lexico-Syntactic Patterns for Detection of Negation and Speculation Scopes" pdf
Ngày tải lên :
20/02/2014, 04:20
... Statistics of the BioScope corpus. The 2nd and 3d
columns show the total number of cues within the datasets; the
4th and 5th columns show the percentage of negated and spec-
ulative sentences.
70% of ... systems.
In future work, we will explore the use of statisti-
cally based methods for the creation of an optimum
set of lexico-syntactic tree patterns and will evalu-
ate the system performance ... neighboring identical siblings of
type *scope* or * are replaced by a single node of
the corresponding type. Figure 3 shows an example
of this transformation.
(a) The children of nodes JJ/NN/NN are
pruned...
- 5
- 543
- 1
Web Mining and Knowledge Discovery of Usage Patterns
Ngày tải lên :
31/08/2012, 16:46
... the irrelative rules or patterns and to extract the interesting rules or patterns from
the output of the pattern discovery process. The output of Web mining algorithms is often not
in the form ... such as the problems of the profile
data being subjective, as well getting out of date as user preferences change over time.
5.2 User Navigation Pattern
The research of user navigation pattern ... Analysis process and makes use of the preprocessed content and structure information
to automatically filter the results of the knowledge discovery algorithms for patterns that are
potentially...
- 25
- 630
- 3
The Gang of Four patterns_01
Ngày tải lên :
19/10/2013, 01:20
... patterns
Below is a list of the 23 Gang of Four patterns presented in this document:
Creational Patterns
Abstract Factory Creates an instance of several families of classes
Builder Separates ... implementations of the Factory design pattern.
Copyright © 2006, Data & Object Factory. All rights reserved.
Page 10 of 87
Design Pattern Framework™ 2.0
3. The Gang of Four patterns
Below ...
accomplished. Builders often encapsulate construction of Composite objects (another
design pattern, see Composite pattern) because construction of these structures are
often repetitive and complex....
- 18
- 352
- 0
Tài liệu Automatic Management of Network Security Policy pptx
Ngày tải lên :
14/02/2014, 16:20
... actual
enforcement of these policies. Many of our
design decisions were influenced by the lack of
verifiable enforcement mechanisms for certain
security phenomena. An example of this is
Denial of Service ... provide
required by policies. Often it suffices to reason
about connectivity to analyze availability of
services to groups of users. For instance, instead
of modeling all the details of a file server, we ... environment. This generally leads
either to over or under management of resourses.
One of the specific goals of this work is
management of security configurations in
networks that span multiple administrative
domains...
- 15
- 467
- 0
Tài liệu Báo cáo khoa học: "Cross-Domain Co-Extraction of Sentiment and Topic Lexicons" pdf
Ngày tải lên :
19/02/2014, 19:20
... values of r in the “product
vs. movie” task. Observe that for sentiment word
extraction, the results of the proposed methods are
not sensitive to the values of r. While for the topic
word extraction, ... and Ryan McDonald. 2008. A joint model of
text and aspect ratings for sentiment summarization.
In Proceedings of the 46th Annual Meeting of the As-
sociation of Computational Linguistics: Human ... study
the effect of different parameter settings. There are
several parameters in the framework: the number
of generated seeds r, the number of new candidates
k
2
and the number of selections k...
- 10
- 447
- 0
Tài liệu Báo cáo khoa học: "Robust Extraction of Named Entity Including Unfamiliar Word" doc
Ngày tải lên :
20/02/2014, 09:20
... Extraction of Japanese Named Entity
2.1 Task of the IREX Workshop
The task of NE extraction of the IREX workshop
(Sekine and Eriguchi, 2000) is to recognize eight
NE types in Table 1. The organizer of ... features of original morphemes and fea-
tures of similar morphemes. The experiments of
extracting Japanese NEs from IREX corpus and
NHK corpus show the effectiveness of the proposed
method.
2 Extraction ... 2003; Nakano and Hirai, 2004) formalized
the task of extracting NEs as a chunking problem
of a sequence of characters instead of a sequence of
morphemes. In this paper, we keep the naive formal-
ization,...
- 4
- 384
- 1
Tài liệu Báo cáo khoa học: "Automatic learning of textual entailments with cross-pair similarities" ppt
Ngày tải lên :
20/02/2014, 12:20
... ex-
amples of the previous section. From the point of
view of bag -of- word methods, the pairs (T
1
, H
1
)
and (T
1
, H
2
) have both the same intra-pair simi-
larity since the sentences of T
1
and ... head of constituents. The
example of Fig. 1 shows that the placeholder
0
climbs up to the node governing all the NPs.
5.3 Pruning irrelevant information in large
text trees
Often only a portion of ... t, the set
of its nodes N (t), and a set of anchors, we build
a tree t
with all the nodes N
that are anchors or
ancestors of any anchor. Moreover, we add to t
the leaf nodes of the original...
- 8
- 413
- 0
Tài liệu Báo cáo khoa học: "Automatic Construction of Polarity-tagged Corpus from HTML Documents" docx
Ngày tải lên :
20/02/2014, 12:20
... the polarity of words
There are some works that discuss learning the po-
larity of words instead of sentences.
Hatzivassiloglou and McKeown proposed a
method of learning the polarity of adjectives ... are not in the resources.
458
(1) kono software-no riten-ha hayaku ugoku koto
this software-POST advantage-POS T quickly run to
The advantage
of this software is to run quickly.
(2) ketten-ha
jikan-ga ... polarity of each sentence. This is simi-
lar to the extraction from the itemization.
4.3 Extraction based on linguistic pattern
The third method uses linguistic pattern. The char-
acteristic of this...
- 8
- 409
- 0
Tài liệu Báo cáo khoa học: "Automatic Identification of Pro and Con Reasons in Online Reviews" ppt
Ngày tải lên :
20/02/2014, 12:20
... examples of sen-
tences that our system identified as reasons of
complaints.
(1) Unfortunately, I find that
I am no longer comfortable in
your establishment because of
the unprofessional, ... Sources of Opinions with
Conditional Random Fields and Extraction Pat-
terns. Proceedings of HLT/EMNLP-05.
Esuli, Andrea and Fabrizio Sebastiani. 2005. De-
termining the semantic orientation of ... Orientation
of Adjectives. Proceedings of 35th Annual Meet-
ing of the Assoc. for Computational Linguistics
(ACL-97): 174-181
Hatzivassiloglou, Vasileios and Janyce Wiebe.
2000. Effects of Adjective...
- 8
- 461
- 1
Tài liệu Báo cáo khoa học: "Automatic Evaluation of Sentence-Level Fluency Andrew Mutton∗" pdf
Ngày tải lên :
20/02/2014, 12:20
... grammar, rhythm and flow,
appropriateness of tone, and several other specific
characteristics of good text.
In terms of automatic evaluation, we are not aware
of any technique that measures only fluency ... Methods
PoStag In the first of these, we constructed a
rough approximation of typical sentence grammar
structure by taking bigrams over part -of- speech
tags.
6
Then, given a string of PoS tags of length
n, t
1
. ... can be fooled
by the method of sentence generation; GLEU, how-
ever, gives a consistent estimate of fluency regard-
less of generation type; and, across all types of gen-
erated sentences examined...
- 8
- 507
- 0
Tài liệu Báo cáo khoa học: "Automatic Evaluation of Machine Translation Quality Using Longest Common Subsequence and Skip-Bigram Statistics" doc
Ngày tải lên :
20/02/2014, 16:20
... construction of N-best translation
lexicons from parallel text. Melamed (1995) used
the ratio (LCSR) between the length of the LCS of
two words and the length of the longer word of the
two ... present the evaluations of
ROUGE-L, ROUGE-S, and compare their per-
formance with other automatic evaluation meas-
ures.
5 Evaluations
One of the goals of developing automatic evalua-
tion ... Proceedings of
COLING-92, Nantes, France.
Thompson, H. S. 1991. Automatic Evaluation of
Translation Quality: Outline of Methodology
and Report on Pilot Experiment. In Proceedings
of the Evaluator’s...
- 8
- 442
- 0
Tài liệu Báo cáo khoa học: "Automatic clustering of collocation for detecting practical sense boundary" ppt
Ngày tải lên :
20/02/2014, 16:20
... 1
shows the average number of clusters with each
clustering method shown chapter 3 by the part of
speech. WC and WF are the average number of
senses by the part of speech.
In Table 1 and ... the word senses numbered i of
the word x. I
x
is the word sense indexing function
of x that gives an index to each sense of the word
x. All contextual words x
i
±j
of a central word x have ... is like this: the contextual words used in
the same sense of the central word show the
similar pattern of context. If collocation patterns
between contextual words are similar, it means that...
- 4
- 425
- 0
Tài liệu Báo cáo khoa học: "Counter-Training in Discovery of Semantic Patterns" doc
Ngày tải lên :
20/02/2014, 16:20
... semantic class. (Riloff and Jones,
1999; Riloff, 1996; Yangarber et al., 2000) present
different combinations of learners of patterns and
concept classes specifically for IE.
In (Riloff, 1996) the ... as in (Yangarber et
al., 2000)
(3)
where is the set of accepted patterns that
match ; this is a rough estimate of the likelihood of
relevance of , based on the pattern accuracy mea-
sure. Pattern ... capitalization rules of conventional proper names.
7
The two papers appeared within two months of each other.
8
A view, in the sense of relational algebra, is a sub-set of
features of the data-points....
- 8
- 423
- 0
Tài liệu Báo cáo khoa học: "Automatic Collection of Related Terms from the Web" pptx
Ngày tải lên :
20/02/2014, 16:20
... (20%) out of 210 terms were col-
lected by the system. This low recall primarily
comes from the failure of automatic term recogni-
tion (case A in the above classification). Improve-
ment of this ... collected 610 terms in total;
the average number of output terms per input is 12.2
terms. We checked whether each of the 610 terms
is a correct related term of the original seed term by
hand. The result ... issue:
Japanese term extraction. Terminolgy, 6(2).
Kyo Kageura and Bin Umino. 1996. Methods of au-
tomatic term recognition: A review. Terminology,
3(2):259–289.
Hiroshi Nakagawa. 2000. Automatic term...
- 4
- 437
- 0
Tài liệu Báo cáo khoa học: "AUTOMATIC ACQUISITION OF SUBCATEGORIZATION FRAMES FROM UNTAGGED TEXT" doc
Ngày tải lên :
20/02/2014, 21:20
... The completeness of the output
list increases monotonically with the total number
of occurrences of each verb in the corpus. False
positive rates are one to three percent of observa-
tions. ... architecture of the system, and that of this pa-
per, directly reflects the three challenges described
above. The system consists of three modules:
1. Verb detection: Finds some occurrences of
verbs ... is evaluated in terms of efficiency
and accuracy. The most useful estimate of effi-
ciency is simply the density of observations in the
corpus, shown in the first column of Table 3. The
SF...
- 6
- 416
- 0
