semisupervised simhash for efficient document similarity search
Báo cáo khoa học: "Semi-Supervised SimHash for Efficient Document Similarity Search" pptx
Ngày tải lên :
30/03/2014, 21:20
... Association for Computational Linguistics, pages 93–101,
Portland, Oregon, June 19-24, 2011.
c
2011 Association for Computational Linguistics
Semi-Supervised SimHash for Efficient Document Similarity Search
Qixia ... are similar to a
query document is an important component
in modern information retrieval. Some ex-
isting hashing methods can be used for effi-
cient document similarity search. However,
unsupervised ... best performance.
1 Introduction
Document Similarity Search (DSS) is to find sim-
ilar documents to a query doc in a text corpus or
on the web. It is an important component in mod-
ern information...
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Tài liệu Báo cáo khoa học: "SPEECH OGLE: Indexing Uncertainty for Spoken Document Search" pptx
Ngày tải lên :
20/02/2014, 15:20
... employed for performing this com-
putation. The computation for the backward proba-
bility β
n
stays unchanged (Rabiner, 1989) whereas
during the forward pass one needs to split the for-
ward ... section, position in-
formation is crucial for being able to evaluate prox-
imity information when assigning a relevance score
to a given document.
In the spoken document case however, we are
faced ... TREC evaluations.
The PSPL lattices for each segment in the spoken
document collection were indexed. In terms of rel-
ative size on disk, the uncompressed speech for the
first 20 lectures uses 2.5GB,...
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Tài liệu Báo cáo khoa học: "A Hybrid Hierarchical Model for Multi-Document Summarization" ppt
Ngày tải lên :
20/02/2014, 04:20
... p
z
s
n
=
p(z
s
n
|c
o
m
) via Eq.(3). The similarity between the
distributions is then measured with transformed IR
818
Document Cluster
1
Document Cluster
2
Document Cluster
n
f
1
f
2
f
3
f
q
f-input ... scores
0.43
0.20
0.03
.
.
Figure 3: Flow diagram for Hybrid Learning Algorithm for Multi -Document Summarization.
7 Conclusion
In this paper, we presented a hybrid model for
multi -document summarization. We demonstrated
that ... Report
MSR-TR-2005-101, Microsoft Research, Red-
wood, Washington, 2005.
D.R. Radev, H. Jing, M. Stys, and D. Tam.
Centroid-based summarization for multiple
documents. In In Int. Jrnl. Information Process-
ing...
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USE OF MINIMAL LEXICAL CONCEPTUAL STRUCTURES FOR SINGLE-DOCUMENT SUMMARIZATION doc
Ngày tải lên :
07/03/2014, 11:20
... license for English and Spanish parsers.
2. Update the host/port in the files fdges-client.pl (for Spanish) and fdgen-client.pl (for English). The current values
should look like this for fdges-client.pl:
$remote ... capabilities useful for intelligence analysts, such as cross-lingual summa-
rization and data mining.
6.3 CONTRIBUTIONS TO RESOURCES FOR RESEARCH
This work provides an integral part for many NLP applications ... Generation of Informative Cross-Lingual Headlines for Text and Speech. Thesis Proposal,
University of Maryland, 2003.
5.3 OTHER PRODUCTS
1. Trimmer: Trimmer generates a headline for a news story...
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Leveraging User Comments for Aesthetic Aware Image Search Reranking pot
Ngày tải lên :
07/03/2014, 17:20
... Retrieval]: Information
Search and Retrieval; H.5.1 [Information Interfaces and
Presentation]: Multimedia Information Systems
Keywords
opinion mining, visual aesthetics modeling, image search
reranking, ... aesthetic scores for ranking aesthetic-aware
reranking. Intuitively, relevance and aesthetic quality are
orthogonal dimensions and therefore convey complementary
information about documents being ... Oliver
Telefonica Research
Barcelona, Spain
nuriao@tid.es
ABSTRACT
The increasing number of images available online has created
a growing need for efficient ways to search for relevant con-
tent....
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Báo cáo khoa học: "Lexically-Triggered Hidden Markov Models for Clinical Document Coding" pot
Ngày tải lên :
07/03/2014, 22:20
... context and the document as
a whole. For each candidate code, three types of
features are generated: document features, ConText
features, and code-semantics features (Table 1).
Document: Document features ... Cherry
Institute for Information Technology
National Research Council Canada
{Svetlana.Kiritchenko,Colin.Cherry}@nrc-cnrc.gc.ca
Abstract
The automatic coding of clinical documents
is an important task for ... within a document
may interact. It is an interesting combination of sen-
tence and document- level processing.
Formally, we define the document coding task
as follows: given a set of documents...
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Báo cáo khoa học: "A Probabilistic Model for Fine-Grained Expert Search" pptx
Ngày tải lên :
08/03/2014, 01:20
...
CDD-based Formal Model for Expert Finding. In
Proc. of CIKM 2007.
Hertzum, M. and Pejtersen, A. M., 2000. The informa-
tion-seeking practices of engineers: searching for
documents as well as for ... of topics transformed from an original
query will be obtained and then be used in the
search for experts. Table 3 shows five forms of
topic discovering from a given query.
Forms
Description ... 2005. Research
on expert search at enterprise track of TREC 2005. In:
Proc. of TREC 2005.
Craswell, N., Hawking, D., Vercoustre, A. M. and Wil-
kins, P., 2001. P@NOPTIC Expert: searching for ex-
perts...
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Báo cáo khoa học: "A Bag of Useful Techniques for Efficient and Robust Parsing" ppt
Ngày tải lên :
08/03/2014, 06:20
...
paper is available as DFKI Research Report
RR-94-37.
Hans-Ulrich Krieger and Ulrich Sch~ifer. 1995.
Efficient parameterizable type expansion for
typed feature formalisms. In
Proceedings of ... Ivan A. Sag. 1987.
Information-Based Syntax and Seman-
tics. Vol. I: Fundamentals.
CSLI Lecture
Notes, Number 13. Center for the Study of
Language and Information, Stanford.
Stuart M. Shieber. ... German Research
Center for Artificial Intelligence (DFKI),
Saarbr/icken, Germany. Also in Proc. MT
Summit IV, 127-135, Kobe, Japan, July
1993.
480
A Bag of Useful Techniques for Efficient...
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Báo cáo khoa học: "Towards an Iterative Reinforcement Approach for Simultaneous Document Summarization and Keyword Extraction" doc
Ngày tải lên :
17/03/2014, 04:20
... retrieval, document clustering,
etc. For example, keywords of a document can be
used for document indexing and thus benefit to
improve the performance of document retrieval,
and document summary ... basic forms based on
WordNet before comparison. The precision p, re-
call r, F-measure (F=2pr/(p+r)) were obtained for
each document and then the values were averaged
over all documents for ... topics of the
document without any additional clues and prior
knowledge. In this paper, we focus on generic
document summarization and keyword extraction
for single documents.
Document summarization...
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Báo cáo khoa học: "Packing of Feature Structures for Efficient Unification of Disjunctive Feature Structures" pptx
Ngày tải lên :
17/03/2014, 07:20
... factor of 6.4 to 8.4. For realiz-
ing efficient NLP systems, I am currently build-
ing an efficient parser by integrating the packing
method with the compilation method for HPSG
(Torisawa and ...
this system. For performance evaluation I mea-
sure the execution time for a part of application
of grammar rules (i.e. schemata) of XHPSG.
Table 1 shows the execution time for uni-
fying ... Execution time for unification.
Test data
shows the word used for the experiment.
# of
LEs
shows the number of lexical entries assigned to the word.
Naive
shows the time for unification...
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Báo cáo khoa học: "Topic Analysis for Psychiatric Document Retrieval" potx
Ngày tải lên :
23/03/2014, 18:20
... consideration, all personal infor-
mation has been removed. A total of 3,650
consultation documents were collected for
evaluating the retrieval model, of which 20
documents were randomly selected ... 2000. IR Evaluation
Methods for Retrieving Highly Relevant Documents.
In Proc. of the 23rd Annual International ACM
SIGIR Conference on Research and Development in
Information Retrieval, pages ... similarities at
the two lengths. To calculate the similarity at
1027
for relevance estimation. These functions consider
word frequencies and document lengths for word
weighting. Both the VSM and Okapi...
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Báo cáo khoa học: "TOWARDS AN INTEGRATED ENVIRONMENT FOR SPANISH DOCUMENT VERIFICATION AND COMPOSITION" pptx
Ngày tải lên :
24/03/2014, 05:21
... marked.
3. There are additional marks for hyphenation
points (for later use by a formatter performing
automatic syllable partition), and several other
for foreign and Latin words, geographical ... environment for document verification
and composition.
INTRODUCTION
In the field of document processing many tools
exist today which allow the user to introduce a text in
storage, format it, ... bound to document composition: seve-
ral other objectives are also foreseen for the
dictionaries and the parser, a computer-assisted verb
conjugation system has already been built for Spanish...
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Báo cáo khoa học: "A Bottom-up Approach to Sentence Ordering for Multi-document Summarization" ppt
Ngày tải lên :
31/03/2014, 01:20
... 2006.
c
2006 Association for Computational Linguistics
A Bottom-up Approach to Sentence Ordering
for Multi -document Summarization
Danushka Bollegala Naoaki Okazaki
∗
Graduate School of Information Science ... Ishizuka
Abstract
Ordering information is a difficult but
important task for applications generat-
ing natural-language text. We present
a bottom-up approach to arranging sen-
tences extracted for multi -document ... important for such MDS systems
to determine a coherent arrangement of the tex-
tual segments extracted from multi-documents in
order to reconstruct the text structure for summa-
rization. Ordering information...
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Báo cáo khoa học: "Weakly Supervised Learning for Cross-document Person Name Disambiguation Supported by Information Extraction" potx
Ngày tải lên :
31/03/2014, 03:20
... paper focuses on cross -document
disambiguation of person names.
Previous research for cross -document name
disambiguation applies vector space model (VSM)
for context similarity, only using ... the context similarity for a context pair is a
vector of similarity features, e.g.
{VSM_Similairty_equal_to_2,
NE _Similarity_ equal_to_1,
Relationship_Conflicts_only,
No_Sharing _for_ Age,
... Conflict _for_ Affiliation}.
Besides the four categories of basic context
similarity features defined above, we define
induced context similarity features by combining
basic context similarity...
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Short for Portable Document Format, a file format developed by Adobe Systems
Ngày tải lên :
15/04/2014, 14:26
... rotation, and conforms to the formula in the
previous table.
Transformations can be defined in terms of a transform matrix. Such a matrix is stored in a trans-
form variable. For example:
transform t ; ... familiar for loop'
of all programming languages.
for i=0 step 2 until 20 :
draw (0,i) ;
endfor ;
As explained convincingly in Niklaus Wirth's book on algorithms and datastructures, the for ... for i=0 upto n-1 : p[i] endfor p[n] ;
After seeing if in action, the following for loop will be no surprise:
draw origin for i=0 step 10 until 100 : {down}(i,0) endfor ;
This gives the zig zag...
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