information state update dialogue systems
Tài liệu Báo cáo khoa học: "Dialogue and Understanding Development Environment, mapping Business Process Models to Information State Update dialogue systeDialogue and Understanding Development Environment, mapping Business Process Modelsms" pptx
Ngày tải lên :
22/02/2014, 02:20
... the developer to specify
101
DUDE: a Dialogue and Understanding Development Environment,
mapping Business Process Models to Information State Update dialogue
systems
Oliver Lemon and Xingkun Liu
School ... monstrate a new development environ-
ment
1
Information State Update dialogue
systems which allows non-expert developers
to produce complete spoken dialogue sys-
tems based only on a Business ... di-
alogue systems.
3 Summary
We demonstrate a development environment for “Infor-
mation State Update dialogue systems which allows
non-expert developers to produce complete spoken di-
alogue systems...
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Tài liệu Báo cáo khoa học: "Information Presentation in Spoken Dialogue Systems" potx
Ngày tải lên :
22/02/2014, 02:20
... Information Presentation in Spoken Dialogue Systems
Vera Demberg
Institute for Natural Language Processing (IMS)
University ... duration correlates with higher user
satisfaction, and (2) the information presentation
phase of dialogues is the primary contributor to
dialogue duration. During this phase, the typical
system enumerates ... training and was thus
not included in the analysis. Each dialogue pair
consisted of one dialogue between a user and our
system and one dialogue between the same user
and a system designed as described...
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Báo cáo khoa học: "Optimising Information Presentation for Spoken Dialogue Systems" pdf
Ngày tải lên :
17/03/2014, 00:20
... study information pre-
sentation strategies for spoken dialogue systems. In
Proc. of the 1st International Workshop on Spoken
Dialogue Systems.
Crystal Nakatsu. 2008. Learning contrastive connec-
tives ... POMDP Dialogue System in
Noise. In Proc. of SIGdial Workshop on Discourse
and Dialogue.
James Henderson and Oliver Lemon. 2008. Mixture
Model POMDPs for Efficient Handling of Uncer-
tainty in Dialogue ... this
NLG predicted user act does not actually change
the overall dialogue state (e.g. by filling slots) but
it only changes the generator state. In other words,
4
Similar to the internal user models...
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Tài liệu Báo cáo khoa học: "The Utility of a Graphical Representation of Discourse Structure in Spoken Dialogue Systems" ppt
Ngày tải lên :
20/02/2014, 12:20
... has inspired several generic dialogue man-
agers for spoken dialogue systems (e.g. (Rich and
Sidner, 1998)).
The NM requires that we have the discourse
structure information at runtime. To do ... level question
segment which assumed no information in the es-
say. Note that the actual dialogue depends on the
correctness of the user answers. After the dialogue,
users were asked to revise ... several design choices to enrich
the NM information content and usability.
Figure 2. NM state after turn Tutor
1
Correct answers. In Figure 2 we show the state
of the NM after uttering Tutor
1
....
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Tài liệu Báo cáo khoa học: "Context Management with Topics for Spoken Dialogue Systems" pptx
Ngày tải lên :
20/02/2014, 18:20
... semantic information
of the input utterance rather than strict prediction of
dialogue act sequences. Recently also keyword-based
topic identification has been applied to dialogue
move (dialogue ... context models
for spoken dialogue systems.
5 Conclusions
The paper has presented a probabilistic topic model
to be used as a context model for spoken dialogue
systems. The model combines ... In Dialogue Processing in Spoken
Dialogue Systems, pages 60-64. Proceedings of the
ECAI'96 Workshop, Budapest, Hungary.
N. Reithinger and E. Maier. 1995. Utilizing statisti-
cal dialogue...
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Tài liệu Báo cáo khoa học: "Generating statistical language models from interpretation grammars in dialogue systems" potx
Ngày tải lên :
22/02/2014, 02:20
... Analysis for Spoken
Dialogue Systems. In Journal of Natural Language
Engineering, 5(1), pp. 45–93.
Wright H., Poesio M. and Isard S. 1999. Using high
level dialogue information for dialogue act recogni-
tion ... based
on dialogue context achieving a considerable im-
provement in recognition performance. We are
considering basing our re-ranking on the informa-
tion held in the dialogue information state, ... Per-
formance in Spoken Dialogue Systems. In Proceed-
ings of ACL, Barcelona.
Gorrell G., Lewin I. and Rayner M. 2002. Adding In-
telligent Help to Mixed Initiative Spoken Dialogue
Systems. In Proceedings...
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Báo cáo khoa học: "Joint Identification and Segmentation of Domain-Specific Dialogue Acts for Conversational Dialogue Systems" doc
Ngày tải lên :
07/03/2014, 22:20
... according to manual dialogue act anno-
tation. Within the set of utterances that contain mul-
tiple dialogue acts, the average number of dialogue
acts per utterance is 2.3.
The dialogue act annotation ... correspond-
ing to the dialogue acts identified in the dataset.
with a dialogue act. The method addresses the prob-
lem that, in development of new scenarios for con-
versational dialogue systems, there ... covered entirely by a
single dialogue act that spans all of its words, longer
utterances may be composed of spans that corre-
spond to different dialogue acts.
bestDialogueActEndingAt(T ext,pos)...
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Báo cáo khoa học: "Stochastic Discourse Modeling in Spoken Dialogue Systems Using Semantic Dependency Graphs" pdf
Ngày tải lên :
08/03/2014, 02:21
... and effectively deals with
a variety of conversational discourse information
in the spoken dialogue systems. By modeling the
dialogue discourse as the speech act sequence, the
predictive method ... a spoken
dialogue system for medical domain with multiple
services was investigated. Three main services:
registration information service, clinic information
service, and FAQ information ... between the
speech acts of the dialogue turns becomes ex-
tremely important. In the last decade, several prac-
ticable dialogue systems (McTEAR, 2002), such as
air travel information service system,...
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Báo cáo khoa học: "Combining Acoustic and Pragmatic Features to Predict Recognition Performance in Spoken Dialogue Systems" pdf
Ngày tải lên :
08/03/2014, 04:22
... dialogue manager to decide appro-
priate system reactions. The approach is novel in
combining machine learning with n-best processing
for spoken dialogue systems using the Information
State Update ... activities and multi-
tasking in dialogue systems. Traitement Automa-
tique des Langues, 43(2):131–154.
Oliver Lemon. 2004. Context-sensitive speech
recognition in ISU dialogue systems: results for
the ... first, inte-
grating our methodology into working ISU-based
dialogue systems and determining whether or not
they improve in terms of standard dialogue eval-
uation metrics (e.g. task completion). The...
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Báo cáo khoa học: "MATCH: An Architecture for Multimodal Dialogue Systems" ppt
Ngày tải lên :
08/03/2014, 07:20
... most likely next speech
act given the current dialogue context, and picks the
most likely interpretation from the result. The update
process updates the dialogue context according to the
system’s ... fragment
processes that operate on a shared state. The state
includes system and user intentions and beliefs, a di-
alog history and focus space, and information about
the speaker, the domain and ... operation for discourse processing in a multimodal
dialogue system. In 2nd IJCAI Workshop on Knowl-
edge and Reasoning in Practical Dialogue Systems.
J. Allen, D. Byron, M. Dzikovska, G. Ferguson,
L....
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Báo cáo khoa học: "Automatically Identifying Problematic Dialogues in DARPA Communicator Dialogue Systems" pot
Ngày tải lên :
08/03/2014, 07:20
... extracting 20 dialogues,
one would transcribe 5 problematic dialogues and 15
good dialogues. Using the fully automatic PDI, one
would obtain 12 problematic dialogues and 8 good
dialogues. To ... training a problematic
dialogue predictor for a spoken dialogue system. JAIR.
What’s the Trouble: Automatically Identifying Problematic Dialogues in
DARPA Communicator Dialogue Systems
Helen Wright ... U.S.A.
hhastie,rjprasad,walker@research.att.com
Abstract
Spoken dialogue systems promise effi-
cient and natural access to information
services from any phone. Recently, spo-
ken dialogue systems for widely used ap-
plications...
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Báo cáo khoa học: "Targeted Help for Spoken Dialogue Systems: intelligent feedback improves naive users'''' performance" pdf
Ngày tải lên :
08/03/2014, 21:20
... workshop
on Dialogue Systems: interaction, adaptation and
styles of management,
page (in press).
Oliver Lemon, Anne Bracy, Alexander Gruenstein, and
Stanley Peters. 2001. Information states in ... multi-
tasking in dialogue systems.
Traitement Automa-
ague des Langues (TAL),
43(2):131 — 154. Special
Issue on Dialogue.
D. Martin, A. Cheyer, and D. Moran. 1998. Build-
ing distributed software systems ... explicitly mentioned in the dialogue. Accord-
ing to this criterion only 44% of users in the Help
condition and 18% of users in the No Help con-
152
Targeted Help for Spoken Dialogue Systems:
intelligent...
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Báo cáo khoa học: "Natural Language Generation as Planning Under Uncertainty for Spoken Dialogue Systems" pptx
Ngày tải lên :
08/03/2014, 21:20
... experiments targeted to Information
Presentation in dialogues in the restaurant domain.
While we are ultimately interested in how hearers
engaged in dialogues judge different Information
Presentations, ... action sequence for Table 4
State Action State change/effect
init SysGoal: present items(i
1
, i
2
, i
5
, i
8
)& user choose one of(i
1
, i
2
, i
5
, i
8
) initialise state
s1 RL-NLG: SUMMA RY(i
1
, ... the
user. This takes us to the state end, where the total
reward of this action sequence is computed (see
Section 6.3), and used to update the NLG policy
in each of the visited state- action pairs via...
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Báo cáo khoa học: "Learning to Adapt to Unknown Users: Referring Expression Generation in Spoken Dialogue Systems" ppt
Ngày tải lên :
16/03/2014, 23:20
... 4.3).
4.2 The dialogue state
The dialogue state S
s,t
is a set of variables that
represent the current state of the conversation. In
our study, in addition to maintaining an overall di-
alogue state, ... ACL-1989.
K. Georgila, J. Henderson, and O. Lemon. 2005.
Learning User Simulations for Information State
Update Dialogue Systems. In Proc of Eu-
rospeech/Interspeech.
F. Hernandez, E. Gaudioso, and J. ... System User Interaction (learning)
4.1 Dialogue Manager
The dialogue manager identifies the next instruc-
tion (dialogue act) to give to the user based on the
dialogue management policy π
dm
. Since,...
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