application question answering system
Tài liệu Báo cáo khoa học: "Opinion and Generic Question Answering Systems: a Performance Analysis" ppt
Ngày tải lên :
20/02/2014, 09:20
... list”) and opinion questions
(“squishy list”), to which the traditional systems
had to be adapted. The Alyssa system (Shen et
al., 2007), classified the polarity of the question
and of the ... list of 20 questions
for each language. Finally, we produced the Gold
Standard, by labeling the corpus with the correct
answers corresponding to the questions.
1.1 Questions
No TYPE QUESTION ... in Table 2, the questions for which the
TQA system performed better were the pure fac-
tual ones (1, 3, 4, 8, 10 and 14), although in some
cases (question number 14) the OQA system re-
trieved...
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Tài liệu Báo cáo khoa học: "A Terminological Simplification Transformation for Natural Language Question-Answering Systems" doc
Ngày tải lên :
21/02/2014, 20:20
... W.J, Schoenmakers and
E.P.C. van Utteren.
The Question Answering System PHLIQA1.
In L. Bolc (editor), Natural Language Question
Answering Systems. Macmillan, 1980.
[8] Scha, Remko J.H.
English ... mapping is a component of such
question- answering systems as TEAM [4], PHLIQA1 [7]
and IRUS [1]. As an example of difficulties which may
be encountered, consider the question "Was the
patient's ... this writing, we have incorporated NIKL into the
implementation of our natural language question-
answering system, IRUS. NIKL is used to represent the
knowledge in a Navy battle-management domain....
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Tài liệu Báo cáo khoa học: "Organizing Encyclopedic Knowledge based on the Web and its Application to Question Answering" ppt
Ngày tải lên :
20/02/2014, 18:20
... ac-
curacy, respectively, for variations of our QA system.
Since all the questions we used are quadruple-
choice, in case the system cannot answer the question,
random choice can be performed to improve ... used test questions from the Class II exam-
ination, and evaluated the Web-based encyclopedia in
terms of question answering. We found that our Web-
based encyclopedia improved the system coverage ... domains (and consequently word senses).
In addition, we proposed a question answering sys-
tem, which answers interrogative questions associated
with what, by using a Web-based encyclopedia as...
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Lớp ứng dụng Application - Domain Name System (DNS)
Ngày tải lên :
19/10/2013, 00:20
... cho resolver
Resolver trả ñịa chỉ IP cho chương trình
ứng dụng
4
II. Domain Name System (DNS)
II. Domain Name System (DNS)
1. Giới thiệu DNS
2. Không gian tên DNS
3. Dữ liệu DNS
4. Name servers
11
Tên ... và
thực thi các lệnh trên dòng lệnh
sử dụng Network Virtual Terminal (NVT)
client system có thể khác server system
ðược ñịnh nghĩa trong RFC 854, 855
13
Dữ liệu DNS (tt)
Một số loại mẩu tin ... (co-operatives)
museum (museums)
2
N
N
ộ
ộ
i dung chương
i dung chương
6
6
I. Giới thiệu
II. Domain Name System (DNS)
III. Telnet
IV. File Tranfer Protocol (FTP)
V. E-Mail
VI. World Wide Web (WWW)
17
Ví...
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Tài liệu Báo cáo khoa học: "A Graph-based Semi-Supervised Learning for Question-Answering" doc
Ngày tải lên :
20/02/2014, 07:20
... tex-
tual entailment analysis.
Question- Type Classifier (QC): QC is the task
of identifying the type of a given question among
a predefined set of question types. The type of
a question is used as a clue ... Semi-Supervised Learning for Question- Answering
Asli Celikyilmaz
EECS Department
University of California
at Berkeley
Berkeley, CA, 94720
asli@berkeley.edu
Marcus Thint
Intelligent Systems Research Centre
British ... semi-supervised
learning for the question- answering (QA)
task for ranking candidate sentences. Us-
ing textual entailment analysis, we obtain
entailment scores between a natural lan-
guage question posed by...
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Tài liệu Báo cáo khoa học: "You’ve Got Answers: Towards Personalized Models for Predicting Success in Community Question Answering" doc
Ngày tải lên :
20/02/2014, 09:20
... rating
”want in” answer ”in the” in question CA avg asker rating
”adenocarcinoma” in question CA History “anybody” in question
”was” in question ”who is” in question Q content typo density
”live” ... per-
sonalization models.
Pers 1 (97 questions) Pers 2 (49 questions) Pers 3 (25 questions)
UH total answers received Q avg pos votes Q content kl trec
UH questions resolved ”would” in answer ... Figure 1.
• Question Features: Traditional question answer-
ing features such as the wh-type of the question
(e.g., “what” or “where”), and whether the ques-
tion is similar to other questions...
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Tài liệu Báo cáo khoa học: "The QuALiM Question Answering Demo: Supplementing Answers with Paragraphs drawn from Wikipedia" ppt
Ngày tải lên :
20/02/2014, 09:20
... Edinburgh
M.Kaisser@sms.ed.ac.uk
Abstract
This paper describes the online demo of the
QuALiM Question Answering system. While
the system actually gets answers from the web
by querying major search engines, during ... the
answer–there always will be the odd case where
a system returns a wrong result.
1
for Question Answering with Linguistic Methods
Historically, our system is web-based, receiving
its answers by querying ... search experience.
1 Introduction
This paper describes the online demo of
the QuALiM
1
Question Answering system
(http://demos.inf.ed.ac.uk:8080/qualim/). We
will refrain from describing QuALiM’s...
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Tài liệu Báo cáo khoa học: "Answer Extraction, Semantic Clustering, and Extractive Summarization for Clinical Question Answering" pdf
Ngày tải lên :
20/02/2014, 12:20
... clinical question answering system
that caters to the unique requirements of physi-
cians, who demand both conciseness and com-
pleteness. These competing factors can be bal-
anced in a system s ... Teach EBM.
Churchill Livingstone, second edition.
E. Voorhees. 2005. Using question series to eval-
uate question answering system effectiveness. In
HLT/EMNLP 2005.
Y. Zhao and G. Karypis. 2002. ... previously.
2.
Table 1: System response to the question “What is the best drug treatment for chronic prostatitis?”
systems for decision support represent a poten-
tially high-impact application. From...
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Tài liệu Báo cáo khoa học: "Paraphrasing Using Given and New Information in a Question-Answer System" docx
Ngày tải lên :
21/02/2014, 20:20
... meaningful answers to failed
questions by addressing any incorrect assumptions the
questioner may have made in her/his question. When the
direct response to a question would be simply "no" ... of
ambiguity and the rephrasing of the question. It makes
the system& apos;s interpretation of the question explicit by
breaking down the clauses of the question and reordering
them dependent ... the
paraphrase, the
user has the option of rephrasing her/his question
before the system attempts to answer it. Thus, if the
question was not interpreted correctly, the error can be
caught...
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Tài liệu Báo cáo khoa học: "Question Answering by Lexical Fabric and External Resources" ppt
Ngày tải lên :
22/02/2014, 02:20
... knowledge and external resources for
TREC-style question answering. In particular, we
describe a high performance question answering
system called
QUALIFIER (QUestion Answer-
ing by Lexical Fabric and ... Ng.
2002.
Data-intensive question answering.
Text RE-
trieval Conference (TREC 2001)
E. Brill, S. Dumais and M. Banko. 2002.
An analysis
of the AskiVISR question- answering system.
In
Proceedings ... 2002.
Probabilistic question
answering from the web.
In The Eleventh Interna-
tional World Wide Web Conference,2002.
E.M.Voorhees. 2002.
Overview of the TREC 2001
Question Answering Track.
In...
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Báo cáo khoa học: "Sentence Dependency Tagging in Online Question Answering Forums" pdf
Ngày tải lên :
07/03/2014, 18:20
... online forums.
1 Introduction
Automatic Question Answering (QA) systems rely
heavily on good sources of data that contain ques-
tions and answers. Question answering forums, such
as technical support ... post. Only identifying question and
answering sentences from the thread is not enough
for automatic question answering. For this example,
in order to get the complete question, we would need
to ... Example of a Question Answering Thread in
Ubuntu Support Forum
exists as a result of another sentence. For example,
question context sentences exist because of the ques-
tion itself; an answering...
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Báo cáo khoa học: "Question Answering with Lexical Chains Propagating Verb Arguments" pptx
Ngày tải lên :
08/03/2014, 02:21
... factoid questions in TREC 2004 has
230 questions. Lexical chains containing the re-
stricted set of relations that propagate verb argu-
ments were found for 33 questions, linking verbs
in those questions ... used
in an in-house Question Answering sys-
tem for re-ranking the set of candidate an-
swers. Tests on factoid questions from
TREC 2004 indicate that the algorithm im-
proved the system performance ... answer. Integration of this algorithm
into the Question Answering system requires 3
steps: (1) creation of structures containing verb
arguments for the questions and its possible an-
swers, (2) derivation...
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Báo cáo khoa học: "Methods for Using Textual Entailment in Open-Domain Question Answering" doc
Ngày tải lên :
08/03/2014, 02:21
... Paragraphs
Question
Documents
Answers
Answers−M1
Answers−M2
Answers−M3
QUESTION ANSWERING SYSTEM
Figure 1: Integrating Textual Entailment in Q/A.
lows. Section 2 describes the three methods of
using textual entailment in open-domain question
answering ... correct an-
swers to a question, while 2500 negative examples
were created by pairing questions with incorrect
answers returned by the Q/A system.
After training our TE system on this corpus, ... AGQs that were entailed by the question
submitted to the Q/A system. Here, AutoQUAB
was used to generate questions for the top 50 can-
didate answers identified by the system. When at
least one of...
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