a spoken dialog qa system
Tài liệu Báo cáo khoa học: "Using Automatically Transcribed Dialogs to Learn User Models in a Spoken Dialog System" doc
Ngày tải lên :
20/02/2014, 09:20
... expectation and its
maximization are easy to compute. This is because
our dialog model has a chain-like structure that
closely resembles an Hidden Markov Model, so a
forward-backward procedure can ... 08540, USA
usyed@cs.princeton.edu
Jason D. Williams
Shannon Laboratory
AT&T Labs — Research
Florham Park, NJ 07932, USA
jdw@research.att.com
Abstract
We use an EM algorithm to learn user ... θ be the maximum likelihood
estimate using automatically transcribed data,
i.e., θ
asu
=
e
K
D
as
P
a
e
K
D
as
. This approach ignores
transcription errors and assumes that user be-
havior depends...
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Tài liệu Báo cáo khoa học: "Dialog Navigator : A Spoken Dialog Q-A System based on Large Text Knowledge Base" docx
Ngày tải lên :
20/02/2014, 16:20
... Knowledge Base
Yoji Kiyota, Sadao Kurohashi (The University of Tokyo)
kiyota,kuro @kc.t.u-tokyo.ac.jp
Teruhisa Misu, Kazunori Komatani, Tatsuya Kawahara (Kyoto University)
misu,komatani,kawahara @kuis.kyoto-u.ac.jp
Fuyuko ... typical vague user question. If a user
question matches it, the dialog manager asks the
back question after
SYS , showing choices be-
Dialog Navigator : A Spoken Dialog Q -A System
based on Large ... @kuis.kyoto-u.ac.jp
Fuyuko Kido (Microsoft Co., Ltd.)
fkido@microsoft.com
Abstract
This paper describes a spoken dialog Q-
A system as a substitution for call centers.
The system is capable of making dialogs
for...
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Báo cáo khoa học: "Designing a Task-Based Evaluation Method ology for a Spoken Machine Translation System" pot
Ngày tải lên :
17/03/2014, 07:20
...
M.Walker, D.J.Litman, C .A. Kamm, and
A. Abella. 1997. PARADISE: A framework
for evaluating spoken dialogue agents. Tech-
nical Report TR 97.26.1, AT and T Technical
Reports.
D.Gates, A. Lavie, ... individual system components separately
(Simpson and Fraser, 1993).
571
Designing a Task-Based Evaluation Methodology
for a Spoken Machine Translation System
Kavita Thomas
Language Technologies ... that we can separate in-domain goals
from cross-domain goals; cross-domain goals of-
ten serve a meta-level purpose in the dialogue.
We can thus evaluate performance over all goals
while maintaining...
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Báo cáo khoa học: "On2L - A Framework for Incremental Ontology Learning in Spoken Dialog Systems" doc
Ngày tải lên :
23/03/2014, 18:20
... a human-human
dialog leading to more natural dialogs with the
machine.
4.7 Integration into the ontology
The foundational ontology (Cimiano et al., 2004)
integrated into the dialog system Smartweb ... ontology of the
system, but to make the dialog more natural and
therefore user-friendly.
Natural language utterances processed by an
open-domain spoken dialog system may contain
words or parts of words ... task-oriented evaluation setup and to
ameliorate the results with various techniques.
As natural language texts are not only rich in hi-
erarchical relations but in other semantic relations
as...
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Báo cáo khoa học: "Developing A Flexible Spoken Dialog System Using Simulation" pdf
Ngày tải lên :
23/03/2014, 19:20
... the
options are American, Pizza, and Italian.
Most of them are located in Boston and
Cambridge.
SIM: Any restaurants in Back Bay?
SYS: There are 57 restaurants in Back Bay.
Many of them are American, and ... yields greater robustness against changes in the
database contents.
3.2 Dialog Management
The domain-independent dialog manager is config-
urable via an external dialog control table. A set
of ... Ferguson and Allen, 1998), and systems
that enable querying across large and frequently
changing databases.
The goal of this work is to assemble natural spo-
ken dialog interfaces that enable flexible...
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Tài liệu Báo cáo khoa học: "Semantic Information and Derivation Rules for Robust Dialogue Act Detection in a Spoken Dialogue System" pptx
Ngày tải lên :
20/02/2014, 05:20
... INTERSPEECH, pages 268–271.
C. Hori, K. Ohtake, T. Misu, H. Kashioka, and S. Naka-
mura. 2009b. Statistical dialog management applied
to wfst-based dialog systems. In Proc. IEEE Inter-
national Conference ... under-
standing (SLU) module converts W
t
to an abstract
representation of the user’s dialogue act (DA). The
dialogue management (DM) module determines the
user’s dialogue act A
∗
t
and accordingly ... 1991. Simulating speech
systems. Computer Speech and Language, 5(1):81–
99.
C. Hori, K. Ohtake, T. Misu, H. Kashioka, and S. Naka-
mura. 200 9a. Recent advances in wfst-based dialog
system. In...
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Tài liệu Báo cáo khoa học: "Collecting a Why-question corpus for development and evaluation of an automatic QA-system" pdf
Ngày tải lên :
20/02/2014, 09:20
... each paid reward.
• Qualifications To improve the data quality,
a HIT can also be attached to certain tests,
“qualifications” that are either system- provided
or created by the requester. An example ... excess of information. FAQ-pages tend to also
answer questions which are not asked, and also con-
tain practical examples. Human-powered answers
often contain unrelated information and discourse-
like ... the assign-
ments have been completed.
• Rewards At upload time, each HIT has to be
assigned a fixed reward, that cannot be changed
later. Minimum reward is $0.01. Amazon.com
collects a 10% (or a...
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Báo cáo khoa học: "Combining POMDPs trained with User Simulations and Rule-based Dialogue Management in a Spoken Dialogue System" docx
Ngày tải lên :
23/03/2014, 17:20
... an
approach to spoken dialogue systems that
includes rule-based and trainable dialogue
managers, spoken language understanding
and generation modules, and a compre-
hensive dialogue system architecture. ... information at various levels of descrip-
tion in a uniform way. This facilitates dialog eval-
uation, data mining and online learning because
data is available for querying as soon as it has
been ... Simulations and
Rule-based Dialogue Management in a Spoken Dialogue System
Sebastian Varges, Silvia Quarteroni, Giuseppe Riccardi, Alexei V. Ivanov, Pierluigi Roberti
Department of Information...
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Báo cáo khoa học: "Trainable Sentence Planning for Complex Information Presentation in Spoken Dialog Systems" pot
Ngày tải lên :
23/03/2014, 19:20
... restaurants.
Above has good decor, and Carmine’s
has decent decor. Above and Carmine’s
have good service. Above is a New
American restaurant. On the other
hand, Carmine’s is an Italian restau-
rant.
2.5 ... knowledge
automatically adapted to the application do-
main. This paper presents a trainable sentence
planner for the MATCH dialog system. We
show that trainable sentence planning can pro-
duce ... Carmine’s and
Above have good service. Carmine’s is
an Italian restaurant. Above, however,
is a New American restaurant.
2.5 .49
25 Above and Carmine’s offer exceptional
value among the selected restaurants.
Above...
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Báo cáo khoa học: "Classifying Recognition Results for Spoken Dialog Systems" doc
Ngày tải lên :
23/03/2014, 19:20
... 02-01. Available
from http://ilk.kub.nl/downloads/pub/
papers/ilk0201.ps.gz.
Staffan Larsson and Stina Ericsson. 2002. GoDiS
– Issue-Based Dialogue Management in a Multi-
Domain, Multi-Language Dialogue ... Las Palmas,
Gran Canaria.
Walter Daelemans, Jakub Zavrel, Ko van der Sloot,
and Antal van den Bosch. 2002. TIMBL: Tilburg
Memmory Based Learner, version 4.2, Reference
Guide. In ILK Technical ... a false neg-
ative to the cost of a false positive. This is exactly
what we want but we found that we cannot linearly
vary this parameter in a way that gives us a smooth
transition between false...
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The Design and Implementation of a Log-Structured File System
Ngày tải lên :
12/09/2012, 15:05
... separate data area is reserved for this purpose.
The separate data area of these database systems means
that they do not need the segment cleaning mechanisms of
the Sprite LFS to reclaim log space. ... under grant CCR-8900029, and in part
by the National Aeronautics and Space Administration and the
Defense Advanced Research Projects Agency under contract
NAG2-591.
This paper will appear in the ... illustrates the fact that a log-structured file
system produces a different form of locality on disk than
traditional file systems. A traditional file system achieves
logical locality by assuming certain...
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