a probabilistic generative model
Tài liệu Báo cáo khoa học: "A probabilistic generative model for an intermediate constituency-dependency representation" pptx
Ngày tải lên :
20/02/2014, 04:20
... Portugal.
Federico Sangati and Chiara Mazza. 2009. An English
Dependency Treebank
`
a la Tesni
`
ere. In The 8th In-
ternational Workshop on Treebanks and Linguistic
Theories, pages 173–184, Milan, ... have chosen the
same strategy we have described in (Sangati et al.,
2009). The idea consists of utilizing a state of the
art parser to compute a list of k-best candidates of
a test sentence, and ... utilize a state of the art parser
for PS trees (Charniak, 1999), and transform each
candidate to TDS. This strategy can be considered
a first step to efficiently test and compare different
models...
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Tài liệu Báo cáo khoa học: "GPSM: A GENERALIZED PROBABILISTIC SEMANTIC MODEL FOR AMBIGUITY RESOLUTION" pptx
Ngày tải lên :
20/02/2014, 21:20
... measure shows substantial im-
provement in structural disambiguation over
a syntax-based approach.
1. Introduction
In a large natural language processing system,
such as a machine translation ... R&D Road II, Science-Based Industrial Park
Hsinchu, TAIWAN 30077, R.O.C.
ABSTRACT
In natural language processing, ambiguity res-
olution is a central issue, and can be regarded
as a ... from a semantic representation. In
general, a particular interpretation of a sentence
can be
represented
by an annotated
syntax
tree
(AST), which is a syntax tree annotated with fea-
ture...
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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
... esti-
mated by the PageRank, which is calculated using
a standard iterative algorithm with a damping fac-
tor of 0.85 (Brin and Page, 1998).
Dynamic quality: by “dynamic”, we mean the
quality ... 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 ...
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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Stream Prediction Using A Generative Model Based On Frequent Episodes In Event Sequences doc
Ngày tải lên :
23/03/2014, 13:20
... Using A Generative Model Based On
Frequent Episodes In Event Sequences
Srivatsan Laxman
Microsoft Research
Sadashivnagar
Bangalore 560080
slaxman@microsoft.com
Vikram Tankasali
Microsoft Research
Sadashivnagar
Bangalore ... Downey et al. [3] already
introduced formal models and languages that encode search
b ehavior as character sequences, with a view to comparing
search behavior in different scenarios. We formulated ... users a new interface a ordance (e.g., sort search results
based on different meta-data), or search paradigm (e.g., en-
gage in an instant messaging conversation with a domain
expert) to encourage...
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Some studies on a probabilistic framework for finding object-oriented information in unstructured data
Ngày tải lên :
23/11/2012, 15:04
...
learning framework, which overcomes the challenges about scalability and adaptability
of the previous approaches.
We have then adapted the probabilistic framework to a Vietnamese domain - real ...
processor
Annotator
Translator
Learner
Query
Translator
Attr1….
Attr2….
Attr3….
.
37
the MAP and MRR of BM25 and the probabilistic approach, we can infer that our
applied approach is ... Sriram Raghavan, Shivakumar
Vaithyanathan, and Huaiyu Zhu. Avatar information extraction system. IEEE Data
Eng. Bull.
[23] Sándor Dominich. The Modern Algebra of Information Retrieval. The Book...
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A two-factor model (Duffie & Kan)
Ngày tải lên :
18/10/2013, 02:20
... first solve (1) and (2) simultaneously numerically, and then integrate (3) to obtain the function
A
.
32.3 Calibration
Let
0
0
be given. The value at time
t
of a bond maturing at time
t + ... ,
1
2
2
2
C
2
2
;
(3)
A 0 = 0;
Chapter 32
A two-factor model (Duffie & Kan)
Let us define:
X
1
t=
Interest rate at time
t
X
2
t=
Yield at time
t
on a bond maturing at time
t +
0
Let
X
1
0 ... CHAPTER 32. A two-factor model (Duffie & Kan)
321
32.2 Zero-coupon bond prices
The value at time
t T
of a zero-coupon bond paying $1 at time
T
is
B t; T =IE
"
exp
,
Z
T
t
X
1
u...
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Human Resource Portals and the Protean Career A Three-Factor Model
Ngày tải lên :
24/10/2013, 08:20
... portals. It is
essentially the organizational culture and employee attitudes toward change that
matter.
Organizational Factors
Organizational factors include organizational culture, opportunities ... employees, they may impact the remaining two. For instance, managers may
develop an organizational culture that facilitates the implementation of changes,
and specifically technological changes. To ... technology and particularly the Internet and
the World Wide Web has dramatically changed how organizations operate.
The most far-reaching changes to careers are coming from transformations of
work and...
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Shaking a box of sand I – a simple lattice model
Ngày tải lên :
01/11/2013, 08:20
... transition. As mentioned in an earlier chapter, the
density may attain values that are substantially higher than random close packing,
and quite close to the crystalline limit [131, 132]. An analogous ... investigations.
The model [174] is based on the generalisation of an earlier cellular automaton
(CA) model [22, 75, 83, 165] of an avalanching sandpile. This version of the model
contains only near-neighbour ... very asymmetrically shaped, and there is a strong preferred
orientation, the nonequilibrium regime of granular dynamics will carry all the usual
characteristics of ageing.
Now recall that that...
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Tài liệu Activity 4.2: Creating a Logical Data Model ppt
Ngày tải lên :
21/12/2013, 06:16
... 4.2: Creating a Logical Data
Model
In this activity, you will use the skills learned in this module to define the
relationships within a logical data model and produce a sample ER diagram for ...
the Ferguson and Bardell, Inc. case study.
In each of the two exercises in this activity, you analyze a single aspect of a
logical data design. At the end of each exercise, the class will discuss ...
cardinality and existence characteristics of each of the relationships defined in
Exercise 1.
!
Identify cardinality
1. For each relationship on your ER diagram, ask the question “How many...
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