a generative probabilistic model for multilabel classification
Báo cáo khoa học: "A Probabilistic Model for Fine-Grained Expert Search" pptx
Ngày tải lên :
08/03/2014, 01:20
... query expansion
(Macdonald and Ounis, 2007), hierarchical lan-
guage model (Petkova and Croft, 2006), and for-
mal model generation (Balog et al., 2006; Fang et
al., 2006). However, all of them ... behind the quadruple
is that a query may be matched with phrases in
various forms (denoted as topic here) and an expert
candidate may appear with various name masks
(denoted as person here), ...
Alias, new email
(N
AE
)
7% / 0.4600
Ritiwari rti-
wari@hotmail.com
Table 1. Various masks and their ambiguity
1)
Every occurrence of a candidate’s email address
is normalized to the appropriate...
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Tài liệu A COMPREHENSIVE QUANTITATIVE MODEL FOR ANALYZING BOND REFUNDING DECISIONS pptx
Ngày tải lên :
15/02/2014, 13:20
... replaced by a floating-rate bond, a floating-rate bond replaced by a fixed-rate bond,
and a floating-rate bond replaced by another floating-rate bond with a different index or a different margin.
MOTIVATION ... have to be evaluated on a case by case
basis to calculate the exact costs or savings produced by the various interacting variables. Consequently, there is a need
for an interactive computer model ... fixed-rate or floating-rate bonds can similarly
be investigated by suitably amending the appropriate input variables. Several what-if scenarios can be investigated (or
simulated) to determine breakeven...
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Tài liệu Towards a conceptual reference model for project management information systems ppt
Ngày tải lên :
18/02/2014, 07:20
... outlined
above by introducing a very fundamental data structure
called Initiative (Fig. 3). An initiative is a generalization
of any form of action that has a defined start and end date
and is unde rtaken ... rtaken to reach a goal. Therefore, an initiative
may be a program, a project, a sub-project, a pro ject phase,
a work package, an activity or a task (indicated by the
inheritance relationship between ... Their feasibility, profitability, and strategic impact
are analyzed so that a final decision can be made regard-
ing their implementation (Idea Evaluation). This phase
ends with a formal go/no-go...
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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
... 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: ... this paper.
In this paper, we present a novel approach that
formulates MDS as a prediction problem based
on a two-step hybrid model: a generative model
for hierarchical topic discovery and a regression
model ... 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...
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Tài liệu Báo cáo khoa học: "A Unified Graph Model for Sentence-based Opinion Retrieval" pdf
Ngày tải lên :
20/02/2014, 04:20
...
represented by a bag-of-word. Among the words,
there is a topic term Avatar (t
1
) occurring twice,
i.e. Avatar in A and Avatar in C, and two senti-
ment words comfortable (o
1
) and favorite (o
2
) ...
4.1.1
Benchmark Datasets
Our experiments are based on the Chinese
benchmark dataset, COAE08 (Zhao et al., 2008).
COAE dataset is the benchmark data set for the
opinion retrieval track in the ... Vital
<
性能
不
>
Performance No
1373
fortable (o
1
) are also regarded as relevant opi-
nion mistakenly, creating a false positive. In re-
ality comfortable (o
1
) describes “the seats...
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Tài liệu Báo cáo khoa học: "A Joint Statistical Model for Simultaneous Word Spacing and Spelling Error Correction for Korean" pdf
Ngày tải lên :
20/02/2014, 12:20
... needs a word dictionary and takes long
time for searching many character combinations.
61
4.2 Experiment Results and Analyses
We used two separate Eumjeol n-grams as lan-
guage models for ...
exist spaces
As shown above, the performance is dependent
of the language model (n-gram) performance. Jaso
transition probabilities can be obtained easily from
small corpus because the ... single Jaso tran-
3
Jaso is a Korean character.
4
‘Transition’ means the correct character is changed to other
character due to some causes, such as typographical errors.
sition case (ặ...
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Tài liệu Báo cáo khoa học: "A Phonotactic Language Model for Spoken Language Identification" pptx
Ngày tải lên :
20/02/2014, 15:20
... Recognition
Evaluation (LRE) data. The database was intended
to establish a baseline of performance capability
for language recognition of conversational tele-
phone speech. The database contains recorded ... in a lower di-
mensional Q-space, that makes the bag-of-
sounds phonotactic language modeling,
LM
l
λ
,
and classification computationally manageable.
Suppose we have only one prototypical ... identification us-
ing Gaussian Mixture model tokenization
, in Proc. of
ICASSP.
Yonghong Yan, and Etienne Barnard. 1995.
An ap-
proach to automatic language identification based on
language dependent...
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Tài liệu Báo cáo khoa học: "A Localized Prediction Model for Statistical Machine Translation" ppt
Ngày tải lên :
20/02/2014, 15:20
... paper, we present a block-based model for statis-
tical machine translation. A block is a pair of phrases
which are translations of each other. For example, Fig. 1
shows an Arabic-English translation ... set of candidates. This computational advantage
is the main reason that we adopt the local model in this
paper.
3.3 Global versus Local Models
Both the global and the localized log-linear models ... Conference
(HLT 04), pages 177–184, Boston, MA, May.
Christoph Tillmann and Fei Xia. 2003. A Phrase-based
Unigram Model for Statistical Machine Translation. In
Companian Vol. of the Joint HLT and NAACL Confer-
ence...
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Tài liệu Báo cáo khoa học: "A SPEECH-FIRST MODEL FOR REPAIR DETECTION AND CORRECTION" docx
Ngày tải lên :
20/02/2014, 21:20
... these cases as
repairs, as well as to distinguish them from nonfrag-
ment repairs. Thus, pausal duration may serve as a
general acoustic cue for repair detection, particularly
for the class ... glottalization. 5 Although
interruption glottalization is usually associated with
fragments, not all fragments are glottalized. In our
database, 62% of fragments are
not
glottalized, and ... such as augmented transition
networks (ATNs), network-based semantic grammars,
case frame grammars, pattern matching and determin-
istic parsers.
Recently, Shriberg et al. (1992) and Bear et...
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Designing a Virtual Reality Model for Aesthetic Surgery docx
Ngày tải lên :
07/03/2014, 17:20
... serve as
a three-dimensional atlas of the anatomy ger-
mane to aesthetic surgery of the face. Although
these models can be viewed from any angle
and made selectively transparent to illustrate
anatomical ... photographs enhanced
in Adobe Photoshop 7.0 and materials de-
signed in Maya.
R
ESULTS
A virtual reality model of surgical superficial
facial anatomy was created. Included in this
model are the ... cleft palate repair. Plast.
Reconstr. Surg. 115: 236, 2005.
21. Cutting, C., Oliker, A. , Khorammabadi, D., and Haddad,
B. A deformer-based surgical simulator program for
cleft lip and palate surgery....
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Báo cáo khoa học: "Cross-Lingual Mixture Model for Sentiment Classification" ppt
Ngày tải lên :
07/03/2014, 18:20
... multiple data sets show
that CLMM is consistently effective in two set-
tings: (1) labeled data in the target language are
unavailable; and (2) labeled data in the target
language are also available.
1 ... in the target language using
only labeled data in the source language. In the sec-
ond setting, labeled data in the target language are
also available. In this case, a more reasonable strat-
egy ... reasonable, because the
initial Chinese classifier trained on machine trans-
lated data (MT-SVM) is relatively weak. We also
observe that using a parallel corpus instead of ma-
chine translations...
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Báo cáo khoa học: "A Cascaded Linear Model for Joint Chinese Word Segmentation and Part-of-Speech Tagging" pdf
Ngày tải lên :
08/03/2014, 01:20
... propose a cascaded linear model for
joint Chinese word segmentation and part-
of-speech tagging. With a character-based
perceptron as the core, combined with real-
valued features such as language models, ... at the same time, we expand boundary
tags to include POS information by attaching a POS
to the tail of a boundary tag as a postfix following
Ng and Low (2004). As each tag is now composed
of a ... ap-
proach of discriminative models treats segmentation
as a labelling problem by assigning each character
a boundary tag (Xue and Shen, 2003), Joint S&T
can be conducted in a labelling fashion...
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Báo cáo khoa học: "A Unified Statistical Model for the Identification of English BaseNP" pptx
Ngày tải lên :
08/03/2014, 05:20
... important subtask for
many natural language processing applications,
such as partial parsing, information retrieval and
machine translation. A baseNP is a simple noun
phrase that does not contain other ... pp.218-224.
COLING-ACL’98
Lance A. Ramshaw and Michael P. Marcus ( In
Press). Text chunking using transformation-based
learning. In Natural Language Processing Using
Very large Corpora. Kluwer. Originally appeared
in ... Treebank II,
and the definition of baseNP is the same as
Ramshaw’s, Table 1 summarizes the average
performance on both baseNP tagging and POS
tagging, each section of the whole Penn
Treebank was...
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Báo cáo khoa học: " A Noisy-Channel Model for Document Compression" pptx
Ngày tải lên :
08/03/2014, 07:20
... score for summary quality
was not. For the Mitre data, the differences in score
between the Concat and Sent systems for grammati-
cality and summary quality were statistically signif-
icant at the ... text to assist aphasic readers. In
Proceedings of the AAAI-98 Workshop on Integrating
Artificial Intelligence and Assistive Technology.
R. Chandrasekar, Christy Doran, and Srinivas Bangalore.
1996. ... important is also consid-
ered important. From these annotations, we could
deduce that, to compress a NUC=CONTRAST that has
two children, NUC=SPAN and SAT=EVALUATION, we
can drop the evaluation satellite....
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Improving Recapitalization Planning - Toward a Fleet Management Model for the High-Mobility Multipurpose Wheeled Vehicle ppt
Ngày tải lên :
15/03/2014, 21:20
... we averaged the data over the study period rather
than using panel-data analytic techniques. As more years of data on individual vehicles become available, it may be advan-
tageous to adopt a ... estimated odometer reading by age, annual mileage by age, esti-
mated annual down days by age, and estimated annual parts and labor cost by age. VaRooM
also required economic parameters as inputs—specifically, ... 365 days per year) of data when computing averages for a vehicle. For example, if a
vehicle had 485 days of EDA and usage data, the average repair cost and usage figures included only one year...
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