unsupervised ontology induction from text
Báo cáo khoa học: "A Practical Solution to the Problem of Automatic Part-of-Speech Induction from Text" pdf
Ngày tải lên :
08/03/2014, 04:22
... previous work on word
sense induction. The results indicate that part of
speech induction is possible with good success
based on the analysis of distributional patterns in
text. The study also gives ...
found that for word sense induction the local clus-
tering of local vectors is more appropriate than the
global clustering of global vectors, for part-of-
speech induction our conclusion is ... (2004). Toward unsupervised whole-
corpus tagging. Proceedings of COLING, Geneva,
357-363.
Rapp, Reinhard (2004). A practical solution to the prob-
lem of automatic word sense induction. Proceedings...
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Epilogue - from text to work
Ngày tải lên :
01/11/2013, 08:20
... surprising here, given the claim in this book that the sixteenth-century
Epilogue: from text to work? 133
5 Epilogue: from text to work?
I have tried in this book to offer a more skeptical account of ... pleasure
in the text is sometimes seen as merely (false) affect or as academic waste-
fulness, its re-emergence displacing hoped-for political work, we also know
Epilogue: from text to work? 131
basis ... literary texts will provide the profession with an
important rationale for its defense and extension, including into projects
associated with cultural studies.
7
To invoke a literary text s distinctive...
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Tài liệu Báo cáo khoa học: "Improved Unsupervised POS Induction through Prototype Discovery" ppt
Ngày tải lên :
20/02/2014, 04:20
... reported results for all
recent algorithms we are aware of that tackled the
task of unsupervised POS induction from plain
text. Results for our algorithm’s and Clark’s are
reported for the ‘Fine, k=34’ ... the
best performing one.
8 Discussion
In this work we presented a novel unsupervised al-
gorithm for POS induction from plain text. The al-
gorithm first generates relatively accurate clusters
of ... Jerusalem
{omria01|roiri|arir}@cs.huji.ac.il
Abstract
We present a novel fully unsupervised al-
gorithm for POS induction from plain text,
motivated by the cognitive notion of proto-
types. The algorithm...
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Tài liệu Báo cáo khoa học: "Extracting Comparative Entities and Predicates from Texts Using Comparative Type Classification" pptx
Ngày tải lên :
20/02/2014, 04:20
... non-comparatives by extracting only
comparatives from text documents. Then we
classify the comparatives into seven types.
3.1 Extracting comparative sentences from
text documents
Our strategy is to first ... (2009; 2011) studied to extract
comparative sentences in Korean text documents.
Li et al. (2010) studied to mine comparable entities
from English comparative questions that users
posted online. ...
Proceedings of EMNLP’03.
Seon Yang and Youngjoong Ko. 2009. Extracting
Comparative Sentences from Korean Text
Documents Using Comparative Lexical Patterns and
Machine Learning Techniques. In Proceedings...
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Tài liệu Báo cáo khoa học: "Unsupervised Translation Induction for Chinese Abbreviations using Monolingual Corpora" ppt
Ngày tải lên :
20/02/2014, 09:20
... Full-list)
1 contexts ← NIL
2 for
i
← 1 to length[Corpus]
3 sent1 ← Corpus[
i
]
4 contexts ← UPDATE(contexts, Corpus,
i
)
5 for full in sent1
6 if full in Full-list
7 for sent2 in contexts
8 for ... maintains contexts of
the current sentence (i.e., sent1), and the contexts
remember the sentences from where the algorithm
identifies possible abbreviations. In our implemen-
tation, the contexts include ... prob-
ability as we obtain the same translation entry from
two different knowledge sources (one is from par-
allel corpora and the other one is from the Chinese
monolingual corpora).
Once we obtain...
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Tài liệu Báo cáo khoa học: "Semantic Taxonomy Induction from Heterogenous Evidence" doc
Ngày tải lên :
20/02/2014, 12:20
... COLING-02.
M. Hearst. 1992. Automatic Acquisition of Hyponyms
from Large Text Corpora. Proc. COLING-92.
D. Hindle. 1990. Noun classification from predicate-
argument structures. Proc. ACL-90.
D. Lenat. ... algorithms for taxonomy
induction have typically focused on independent
classifiers for discovering new single relationships
based on hand-constructed or automatically discov-
ered textual patterns. ... relationship are obtained by
parsing a large corpus of newswire and encyclo-
pedia text with MINIPAR (Lin, 1998). From the
resulting dependency trees the evidence E
H
ij
for
each word pair (i, j)...
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Tài liệu Báo cáo khoa học: "Knowledge Acquisition from Texts : Using an Automatic Clustering Method Based on Noun-Modifier Relationship" pptx
Ngày tải lên :
22/02/2014, 03:20
...
context". The four syntactic links of LEXTER Can be
used to define this terminological context. For in-
stance, the "expansion terminological context" (E-
terminological context) ... object
LINE.
This definition of the context is original compared
to the classical context definitions used in Informa-
tion Retrieval, where the context of a lexical unit is
obtained by examining ... NPs are described by their E-
terminological context; in the second one, both the
E-terminological context and the H'- terminological
context (obtained with the H'-link within PUs)...
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Báo cáo khoa học: "HAL-based Cascaded Model for Variable-Length Semantic Pattern Induction from Psychiatry Web Resources" pdf
Ngày tải lên :
08/03/2014, 02:21
... is
represented as a vector of its context words,
which means that the sense of a word can be in-
ferred through its contexts. Such notion is de-
rived from the observation of human behavior. ... depressive symptoms. In
this work, we go a further step to devise a text
mining framework for variable-length semantic
pattern induction from psychiatry web resources.
Traditional approaches to semantic ... that the induction process
can induce more relevant patterns and move
away from noisy patterns in the future iterations.
949
The refinement of the seed pattern is to adjust
its context distributions
...
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Báo cáo khoa học: "Automatic construction of a hypernym-labeled noun hierarchy from text" docx
Ngày tải lên :
08/03/2014, 06:20
... are
learned from the Wall Street Journal, they
are domain-specific labels rather than the
more general "thing/person". However, if
the hierarchy were to be used for text from
the ... Zs" (patterns 3 and 4
in Hearst). From this phrase we can extract
that Z is likely a hypernym for both X and
Y.
This data is extracted from the parsed
text, and for each noun we construct ... (Fellbaum, 1998) automat-
ically from text using no other lexical re-
sources. WordNet has been an important re-
search tool, but it is insufficient for domain-
specific text, such as that encountered...
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Báo cáo khoa học: "PREDICTING INTONATIONAL PHRASING FROM TEXT" potx
Ngày tải lên :
08/03/2014, 07:20
...
total # words in utterance
distance (sec.) from start to wj
distance (sec.) from wj to end
distance (words) from start to wj
distance (words) from wj to end
is wi accented or not/
or, cliticized, ... utterance and other
features inferable from its text is important both
for speech recognition and for speech synthesis.
This work investigates the use of text analysis
in predicting the location ... boundary prediction from
unrestricted text. 1
Introduction
The relationship between the intonational phras-
ing of an utterance and other features which can
be inferred from its transcription...
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Báo cáo khoa học: " The Development of Lexical Resources for Information Extraction from Text Combining Word Net and Dewey Decimal Classification" potx
Ngày tải lên :
08/03/2014, 21:20
... the progressive reduction of
the size of training corpora: e.g., from the 1,000
texts of the MUC-5 (MUC-5, 1993) to the 100
texts in MUC-6 (MUC-6, 1995). When the cor-
pus size is limited, ...
tlenecks in the development of new ap-
plications in the field of Information Ex-
traction from text. Generic resources
(e.g., lexical databases) are promising for
reducing the cost of specific ...
Proceedings of EACL '99
The Development of Lexical Resources
for Information Extraction from Text
Combining WordNet and Dewey Decimal Classification*
Gabriela Cavagli~t
ITC-irst Centro...
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Báo cáo khoa học: "Learning High-Level Planning from Text" pot
Ngày tải lên :
16/03/2014, 19:20
... of our setup
is the way the textual information is utilized in the
situated context. Instead of getting step-by-step in-
structions from the text, our model uses text that de-
scribes general ... preconditions
from text. However, our only source of supervision
is the feedback provided by the planning task which
utilizes the predictions. Additionally, we not only
identify these relations in text, ... Competition. http://ipc.informatik.uni-freiburg.de/
127
0% 20% 40% 60% 80% 100%
No text
All text
Full model
Manual text
Gold
Easy
Hard
71%
64%
59%
48%
31%
88%
89%
91%
94%
95%
Figure 6: Percentage...
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Báo cáo khoa học: "Hunting for the Black Swan: Risk Mining from Text" doc
Ngày tải lên :
17/03/2014, 00:20
... links; risks and patterns are connected via
PATTERN links. Note that there are links from
risks to patterns and from patterns to risks; some
risks back-pointed by a pattern may actually not
be a ... Association for Computational Linguistics.
Marti Hearst. 1992. Automatic acquisition of hyponyms
from large text corpora. In Proceedings of the Fourteenth
International Conference on Computational Linguistics
(COLING ... the
detected risk mentions per company and by risk
type.
5 Results
From the Web mining process, we obtain a set
of pairs (Figure 4), from which the taxonomy is
constructed. In one run with only 12...
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Báo cáo khoa học: "acquiring and structuring semantic information from text" pdf
Ngày tải lên :
17/03/2014, 07:20
...
information from natural language text. This
paper provides an overview of the
distinguishing characteristics of MindNet, the
steps involved in its creation, and its extension
beyond dictionary text. ...
senses (e.g.,
Baseball).
In processing normal input text outside of the
context of MindNet creation, WSD relies crucially on
information from MindNet about how word senses are
linked to one ... MindNet: acquiring and structuring semantic
information from text
Stephen D. Richardson, William B. Dolan, Lucy Vanderwende
Microsoft Research
One Microsoft...
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