document classification using a finite mixture model
Báo cáo khoa học: "Document Classification Using a Finite Mixture Model" pdf
Ngày tải lên :
31/03/2014, 21:20
... Classification Using a Finite Mixture Model
Hang Li Kenji Yamanishi
C&C Res. Labs., NEC
4-1-1 Miyazaki Miyamae-ku Kawasaki, 216, Japan
Email: {lihang,yamanisi} @sbl.cl.nec.co.j p
Abstract ... crucial
to the accuracy of document classification. Guthrie
et. al. have devised a way suitable to documentation
classification. Suppose that there are two categories
cl ='tennis' and ... may individually appear in the category
only very rarely;
polysemy problem how to determine that a word
like 'ball' in a document refers to a 'tennis ball'
and not a 'soccer...
- 9
- 189
- 0
Tài liệu Báo cáo khoa học: "A Finite-State Model of Human Sentence Processing" docx
Ngày tải lên :
20/02/2014, 11:21
... more
information in lexical entries and increasing am-
biguity so that other ambiguity types also can be
disambiguated in a similar way via lexical cate-
gory disambiguation. This idea has been ... Press, Cambridge, Massachusetts, 1999.
S. Narayanan and D Jurafsky. A bayesian model
predicts human parse preference and reading
times in sentence processing. Proceedings
of Advances in Neural Information ... friend accepted the man who
was very impressed, the tagger showed a repair
since it initially preferred a past-participle analy-
sis for accepted and later it had to reanalyze. This
is a limitation...
- 8
- 446
- 0
Tài liệu Báo cáo khoa học: "Lexical transfer using a vector-space model" doc
Ngày tải lên :
20/02/2014, 18:20
... using
matrix PRICAI-00, 2000, (to appear).
Tanaka H. (1995) Statistical Learning of
“Case Frame Tree” for Translating English Verbs,
Journal of NLP, 2/3, pp. 49-72, (in Japanese).
Yamada, ... generalization (Akiba et. al., 1996
and Tanaka, 1995); (2) approaches using
structural matching: to obtain transfer rules,
several search methods have been proposed for
maximal structural matching between ... Laboratories
2-2 Hikaridai, Seika, Soraku
Kyoto 619-0288, Japan
sumita@slt.atr.co.jp
Abstract
Building a bilingual dictionary for
transfer in a machine translation system is
conventionally...
- 7
- 654
- 0
Báo cáo khoa học: "Automated Whole Sentence Grammar Correction Using a Noisy Channel Model" pptx
Ngày tải lên :
23/03/2014, 16:20
... sentence.
3 Base Model
Our noisy channel model consists of two main com-
ponents, a base language model and a noise model.
The base language model is a probabilistic lan-
guage model which generates an ... the
twelfth national conference on Artificial intelli-
gence (vol. 1), AAAI ’94, pages 779–784, Menlo
Park, CA, USA. American Association for Artifi-
cial Intelligence.
Lavie, A. and Agarwal, A. (2007). ... speakers
for grammar correction. Using only these data sets,
we can train our noisy channel model, as we have
shown using a bigram language model, and a wFST
for our noise model. We have also...
- 11
- 367
- 0
Báo cáo khoa học: "Multi-Document Summarization using Sentence-based Topic Models" docx
Ngày tải lên :
23/03/2014, 17:20
... Bayesian sentence-based topic model
for summarization by making use of both
the term -document and term-sentence
associations. An efficient variational
Bayesian algorithm is derived for model
parameter ... document summarization has found
wide-ranging applications in information retrieval
and web search. Many multi -document summa-
rization methods have been developed to extract
the most important ... mea-
sure and latent semantic analysis. In Proceedings of SIGIR.
Daniel D. Lee and H. Sebastian Seung. Algorithms for non-negative matrix
factorization. In Advances in Neural Information Processing...
- 4
- 381
- 0
Báo cáo khoa học: "Dictionary Definitions based Homograph Identification using a Generative Hierarchical Model" docx
Ngày tải lên :
31/03/2014, 00:20
... USA, June 2008.
c
2008 Association for Computational Linguistics
Dictionary Definitions based Homograph Identification using a
Generative Hierarchical Model
Anagha Kulkarni Jamie Callan ... MVN
mixture model.
The results for the semi-supervised models are
non-conclusive. Our post-experimental analysis
reveals that the parameter updation process using
the unlabeled data has an ... Homo-
graphs and Non-homographs.
2.2 Models
We formulate the homograph detection process as
a generative hierarchical model. Figure 2 provides
the plate notation of the graphical model. The la-
tent...
- 4
- 282
- 0
báo cáo hóa học:" Research Article Using a State-Space Model and Location Analysis to Infer Time-Delayed Regulatory Networks" potx
Ngày tải lên :
21/06/2014, 20:20
... data. The tool has been demonstrated
on artificial data and yeast cell-cycle gene-expression data.
Using the yeast microarray data, we have illustrated that our
model can help identify regulatory ... resampling with
replacement as many as 200 times. This approach, however,
has a severe limitation for application to microarray data
because most currently available time-course microarray
data ... pages
doi:10.1155/2009/484601
Research Article
Using a State-Space Model and Location Analysis to
Infer Time-Delayed Regulatory Networks
Chushin Koh,
1
Fang-Xiang Wu,
2, 3
Gopalan Selvaraj,
4
and Anthony J. Kusalik
1,...
- 14
- 545
- 0
Tài liệu STRATEGIC PLANNING FOR PROJECT MANAGEMENT USING A PROJECT MANAGEMENT MATURITY MODEL ppt
Ngày tải lên :
16/01/2014, 16:33
... companies. What senior managers needed was a plan
expressed in terms of three broad, critical success factors: qualitative factors, or-
ganizational factors, and quantitative factors. To take advantage ... company as a whole
ORGANIZATIONAL FACTORS
Coordination of organizational behavior in project management is a delicate bal-
ancing act, something like sitting on a bar stool. Bar stools usually come ... 13
Environmental
Opportunities
and Threats
Organizational
Strengths and
Weaknesses
Gathering
of
Information
Firm’s
Social
Responsibility
Managerial
Values of
Management
Evaluation
of
Information
Strategy
Evaluation
Strategy
Selection
Strategy
Implementation
External
Analysis
Internal
Analysis
FIGURE...
- 271
- 464
- 3
Tài liệu Báo cáo khoa học: "Enhanced word decomposition by calibrating the decision threshold of probabilistic models and using a model ensemble" pdf
Ngày tải lên :
20/02/2014, 04:20
... boundaries as hidden
variables and include probabilities for let-
ter transitions within segments. The ad-
vantage of this model family is that it can
learn from small datasets and easily gen-
eralises ... MIT
Press, Cambridge, MA, USA.
K. Shalonova, B. Gol
´
enia, and P. A. Flach. 2009. To-
wards learning morphology for under-resourced fu-
sional and agglutinating languages. IEEE Transac-
tions on Audio, ... terms of
training set size. We want to remind the reader that
our two algorithms are aimed at small datasets.
We randomly split each dataset into 10 subsets
where each subset was a test set and the...
- 9
- 557
- 0
Tài liệu Báo cáo khoa học: "A Hybrid Hierarchical Model for Multi-Document Summarization" ppt
Ngày tải lên :
20/02/2014, 04:20
... 4: Manual Evaluations
Here, we manually evaluate quality of summaries,
a common DUC task. Human annotators are given
two sets of summary text for each document set,
generated from two approaches: ... using a classifier model.
HIERSUM : (Haghighi and Vanderwende,
2009) A generative summarization method based
on topic models, which uses sentences as an addi-
tional level. Using an approximation ... 12
Overall 24 66 2
Table 4: Frequency results of manual quality evaluations.
Results are statistically significant based on t-test. T ie indi-
cates evaluations where two summaries are rated equal.
according...
- 10
- 559
- 0