best first search algorithm ppt
Tài liệu Báo cáo khoa học: "A Best-First Search Algorithm for Generating Referring Expressions" pot
Ngày tải lên :
22/02/2014, 02:20
... cut-oft)
The best- first search is performed by the proce-
dure
Search
(Figure 3). It maintains the variables
Procedure Search
Best <— Root
Bestscore
00; Estimate
Assess (Best)
1 if State (Best) ... endif
(1)
if State (Best) = Final
then return Description (Best) endif
(2)
Descriptors
Generate-Next (Best)
(3)
if
Descriptors =
nil
then State (Best)
Closed
else Evaluate (Best)
(4)
New
Create-S ...
Estimate
(Score(n) + Assess(n))
Best
n
endif
(10)
next
goto Step I
Figure 3. Pseudo
-
code of the algorithm
105
•
Best,
the current node under consideration
•
Bestscore, assessing the best solution found
•
Estimate,...
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Tài liệu Depth-First Search (DFS) ppt
Ngày tải lên :
25/01/2014, 13:20
... saõu
u saõu
(Depth
(Depth
-
-
First Search)
First Search)
Duye
Duye
ọ
ọ
t theo chie
t theo chie
u ro
u ro
ọ
ọ
ng
ng
(Breadth
(Breadth
-
-
First Search)
First Search)
23
D
D
ư
ư
ơng Anh
ơng ... va
ø
ø
Gia
Gia
û
û
i thua
i thua
ä
ä
t
t
7
7
Thua
Thua
ä
ä
t toa
t toa
ù
ù
n
n
Depth
Depth
-
-
First Search
First Search
Algorithm DFS(v);
Input:Một đỉnh v của đồ thị
Output:Một cách gán nhãn cho các cạnh ... va
ø
ø
Gia
Gia
û
û
i thua
i thua
ä
ä
t
t
43
43
Thua
Thua
ä
ä
t toa
t toa
ù
ù
n
n
Breadth
Breadth
-
-
First Search
First Search
Algorithm BFS(v);
Input:Một đỉnh v của đồ thị
Output:Một cách gán nhãn cho các cạnh...
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Tài liệu PHP: The Good Parts: Delivering the Best of PHP- P1 pptx
Ngày tải lên :
14/12/2013, 22:15
... 33
What Is a String? 33
You Can Quote Me 34
String Functions (Best of) 36
String Trimmings 36
Character Case Management 38
String Content Searching 39
String Modification 40
5. Arrays . . . . . . ... been very rewarding to see nonprocedural programmers come into the new age
of web development, first with a slight struggle, perhaps, but then with total eagerness
once they see what modern interfaces ... programmer would assume based on Java, and this book
will guide you on how to leverage PHP for the best results.
Today, over a third of the world’s websites are written in PHP, and that number is
growing....
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Tài liệu PHP: The Good Parts: Delivering the Best of PHP- P5 ppt
Ngày tải lên :
14/12/2013, 22:15
... properties firstname, lastname, and gender, with
get and set methods for all three properties:
class person {
private $firstname ;
private $lastname ;
private $gender ;
public function getFirstname() ... return $this->firstname;
}
public function getLastname() {
return $this->lastname;
}
public function getGender() {
return $this->gender;
}
public function setFirstname($firstname) ... direct the browser to the first page
of the survey.
Now that we are on the first page of the survey (see Figure 7-2), the form is ready for
the user to use.
Figure 7-2. The first page of the survey
82...
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Tài liệu PHP: The Good Parts: Delivering the Best of PHP- P7 ppt
Ngày tải lên :
14/12/2013, 22:15
... filter the input:
$trusted = array() ;
if (strlen($_POST['firstname']) <= 35) $trusted['firstname'] =
$_POST['firstname'] ;
if (strlen($_POST['lastname']) ... an-
other
algorithm method that has been in popular use (MD5) has been
noted to have reproducible exploits, so it is best to use the sha1 method
for now and convert to sha2 when that new algorithm ... purpose. Let’s say you have a basic
submission form that will accept a first name, a last name, and a phone number. The
first name has to be 35 characters or fewer in length, the last name 45...
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Tài liệu The PID Control Algorithm ppt
Ngày tải lên :
22/12/2013, 21:15
... two point method. 39
The PID algorithm 5
CHAPTER 2 THE PID ALGORITHM
In industrial process control, the most common algorithm used (almost the only
algorithm used) is the time-proven ... Derivative—
algorithm. In this chapter we will look at how the PID algorithm works from both
a mathematical and an implementation point of view.
2.1 KEY CONCEPTS
• The PID control algorithm ... complex, involving more arithmetic
Advanced Features of the PID algorithm
20
CHAPTER 4 ADVANCED FEATURES OF THE PID
ALGORITHM
4.1 RESET WINDUP
One problem with the reset function is...
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Tài liệu 29 Image Recovery Using the EM Algorithm ppt
Ngày tải lên :
25/12/2013, 06:16
... slow convergence, are common to many numerical algorithms, most of their
causes are inherent to the EM algorithm [17, 19].
In previous work, the EM algorithm has mostly been applied in a “natural ... LLC
29
Image Recovery Using the EM
Algorithm
Jun Zhang
University of Wisconsin
Milwawkee
Aggelos K. Katsaggelos
Northwestern University
29.1 Introduction
29.2 The EM Algorithm
The Algorithm
•
Example: A ... alternating expectation-maximization
(EM) type algorithms,
Statistica Sinica,
5: 41–54, Jan., 1995.
[20] Wu, J., On the convergence properties of the EM algorithm,
The Annals of Statistics,
11:
95–103,...
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Tài liệu The Anatomy of a Large-Scale Hypertextual Web Search Engine ppt
Ngày tải lên :
24/01/2014, 20:20
... driving. This search result came up first because
of its high importance as judged by the PageRank algorithm, an approximation of citation importance on
the web [Page, 98]. It is clear that a search ... research tool but a necessary one for a wide range of applications.
We hope Google will be a resource for searchers and researchers all around the world and will spark the
next generation of search ... 1.66 1.80
hard
disks
0.25 4.86 0.20 0.24
search
engines
1.31 9.63 1.16 1.16
Table 2. Search Times
quality search results. For example, we noticed a major search engine would not return a large...
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Tài liệu ESPON 2013 DATABASE FIRST INTERIM REPORT pptx
Ngày tải lên :
20/02/2014, 05:21
...
ESPON 2013 DATABASE – First Interim Report – 2009 February 27
1
ESPON 2013 DATABASE
FIRST INTERIM REPORT
2009 February 27
ESPON 2013 DATABASE – First Interim Report – ... Javier Gallego
9
, or the G-Econ Research project developed by the University
9
http://epp.eurostat.ec.europa.eu/pls/portal/docs/PAGE/PGP_RESEARCH/PGE_RESEARCH_NTTS/S14P3%20-
%20JAVIER%20GALLEGO%20-%20%20DOWNSCALED%20POPULATION%20DENSITY.PDF ... obtained.
Background review
The first step we have faced this challenge was the review of several methodological
approaches made by other institutions or researchers.
Special attention has...
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