robust dialogue act detection
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
... 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 decides the
current act of the system. ... trees
are extracted and used to model the relation-
ship between the dialogue acts and the deriva-
tion rules. The constructed model is then used
to generate a semantic score for dialogue act
detection ... Taiwan
cpchen@mail.cse.nsysu.edu.tw
Abstract
In this study, a novel approach to robust di-
alogue act detection for error-prone speech
recognition in a spoken dialogue system is
proposed. First, partial...
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Tài liệu Báo cáo khoa học: "An Affect-Enriched Dialogue Act Classification Model for Task-Oriented Dialogue" doc
Ngày tải lên :
20/02/2014, 04:20
...
Abstract
Dialogue act classification is a central chal-
lenge for dialogue systems. Although the im-
portance of emotion in human dialogue is
widely recognized, most dialogue act classifi-
cation ... real-time confusion
detection within dialogue systems.
2 Background and Related Work
2.1 Dialogue Act Classification
Because of the importance of dialogue act classifi-
cation within dialogue systems, ... feed-
back and grounding dialogue acts within
textual dialogue. The results point to ways in
which dialogue systems can effectively lever-
age affective channels to improve dialogue act
classification....
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Báo cáo khoa học: "Segmented and unsegmented dialogue-act annotation with statistical dialogue models∗" ppt
Ngày tải lên :
08/03/2014, 02:21
... Valencia
{cmartine,rgranell,jbenedi}@dsic.upv.es
Abstract
Dialogue systems are one of the most chal-
lenging applications of Natural Language
Processing. In recent years, some statis-
tical dialogue models have been proposed
to cope with the dialogue ... grants.
management, which is known as dialogue strat-
egy. It defines what the dialogue system must do
at each point of the dialogue.
Most of these strategies are rule-based, i.e., the
dialogue strategy is defined ... popular annotation schemes at
the dialogue level is based on Dialogue Acts (DA).
A DA is a label that defines the function of the an-
notated utterance with respect to the dialogue pro-
cess. In other...
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Báo cáo khoa học: " Extending Latent Semantic Analysis with features for dialogue act classification" pot
Ngày tải lên :
08/03/2014, 04:22
... task, dialogue
act classification, syntactic features do not help, but
most dialogue related features do. Surprisingly, one
dialogue related feature that does not help is the di-
alogue act history.
We ... applied LSA / FLSA to dialogue act classi-
fication. Dialogue systems need to perform dia-
logue act classification, in order to understand the
role the user’s utterance plays in the dialogue (e.g.,
a ... course
not every initiator DA initiates a game). Finally,
transactions provide the subdialogue structure of a
dialogue; each is built of several dialogue games
and corresponds to one step of the task.
DIAG-NLP...
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Báo cáo khoa học: "Utilizing Statistical Dialogue Act Processing in Verbmobil" pptx
Ngày tải lên :
08/03/2014, 07:20
... independent dialogue
acts and the transition networks which define admis-
sible sequences of dialogue acts. In addition to the
dialogue acts in the main dialogue network, there are
five dialogue acts, ...
determines whether an incoming dialogue act is com-
patible with the dialogue model.
As mentioned in the introduction, it is not only
important to extract the dialogue act of the cur-
rent utterance, ... current
dialogue act. The notion of compatibility refers to
dialogue acts which have closely related meanings or
which can be easily realized in one utterance.
To find out which dialogue acts...
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Báo cáo khoa học: "Dialogue Act Tagging for Instant Messaging Chat Sessions" potx
Ngày tải lên :
17/03/2014, 06:20
... their respective dialogue acts are denoted by U
n
.
2 Issues in Instant Messaging Dialogue
There are several differences between IM and tran-
scribed spoken dialogue. The dialogue act classifier
described ... context
vector containing the previous dialogue act or previ-
ous 2 dialogue acts in the case of the trigram model.
1
Due to space constraints, the dialogue act transition ta-
ble has been omitted ... suitable set of dialogue
act tags; and 3) to manually label the corpus using
the dialogue act tag set, which is then used for train-
ing the statistical models for automatic dialogue act
classification.
3.1...
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Báo cáo khoa học: "An Interactive Domain Independent Approach to Robust Dialogue Interpretation" pot
Ngày tải lên :
23/03/2014, 19:20
... cmu. edu
Abstract
We discuss an interactive approach to robust inter-
pretation in a large scale speech-to-speech transla-
tion system. Where other interactive approaches to
robust interpretation ... an interactive ap-
proach to robust interpretation developed in the
context of the JANUS speech-to-speech translation
system (Lavie et al., 1996). Previous interactive
approaches to robust ... error rate without interaction is a very
positive result. Additionally, interaction increases
the system's average translation quality above that
of repair without interaction. With three...
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Báo cáo khoa học: "Dialogue Act Tagging with Transformation-Based Learning" docx
Ngày tải lên :
23/03/2014, 19:20
... "to"
Figure 2: A set of dialogue act cues divided into five categories
nal dialogue acts. In many cases, an undesirable
dialogue act cue contains a useful dialogue act
cue as a substring, ... feature called
dialogue act cues:
word sub-
strings that appear frequently in dialogue and
provide useful clues to help determine the ap-
propriate dialogue acts. To collect dialogue act
cues ... to automatically identify dialogue act
cues, which are words and short phrases that
serve as signals for dialogue acts. Our experi-
ments demonstrate that dialogue act cues tend
to be more...
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Báo cáo khoa học: "Robust VPE detection using Automatically Parsed Text" pdf
Ngày tải lên :
17/03/2014, 06:20
... and Future work
This paper has presented a robust system for VPE
detection. The data is automatically tagged and
parsed, syntactic features are extracted and ma-
chine learning is used to classify ... part-of-speech tagging. Computational
Linguistics, 21(4):543–565.
E. Briscoe and J. Carroll. 2002. Robust accurate statistical annotation of gen-
eral text. In Proceedings of the 3rd International ... (CoNLL’99). Downloadable from
http://www.ling.gu.se/ lager/mutbl.html.
Shalom Lappin. 1993. The syntactic basis of ellipsis resolution. In S. Berman
and A. Hestvik, editors, Proceedings of the Stuttgart...
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Báo cáo khoa học: "Automatic Detection of Poor Speech Recognition at the Dialogue Level" potx
Ngày tải lên :
23/03/2014, 19:20
... describe our corpus of dia-
logues, the assignment of classes to each dialogue,
the extraction of features from each dialogue, and
our learning experiments.
Corpus: Our corpus consists of ...
purpose platform for phone-based spoken dialogue
systems (Kamm et al., 1997). The dialogues were
obtained in controlled experiments designed to eval-
uate dialogue strategies for each agent. The ...
Figure 2: Features for spoken dialogues.
hypotheses about the relevance of other types of
knowledge, contributed to our features.
The acoustic, dialogue efficiency, and dialogue
quality features...
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Báo cáo khoa học: "A Robust System for Natural Spoken Dialogue " ppt
Ngày tải lên :
23/03/2014, 20:21
... far as furthering
the dialogue, the system has done reasonably well.
6. Robust Speech Act Processing
The dialogue manager is responsible for interpreting the
speech acts in context, formulating ... result of parsing is a sequence of speech acts
rather than a syntactic analysis. Viewing the output as a
sequence of speech acts has significant impact on the
form and style of the grammar. ... construct robust
spoken natural dialogue systems. We were not seeking
to develop new theories, but rather to develop tech-
niques to enable existing theories to be applied in
practice. We...
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Báo cáo khoa học: " Robust and Flexible Mixed-Initiative Dialogue for Telephone Services" pot
Ngày tải lên :
24/03/2014, 03:21
...
I BEHAVIOUR USER
ACTS
[ = I"
KNOWLEDGE
> INTERPRETER
TASK ACTS
DIALOG ~ - -
ACTS
INTERPRETER
DIALOG ACTS
L
f Historic }
•
REQUEST-REPLY
INFOP,$L~TIOF
• ACTUALIZATION OF ... success and agent dialogue
behaviour related to subjective user satisfaction.
1~ Dep. SSR. ETSIT-UPM Spain
2 ROBUST AND FLEXIBLE
SYSTEM
Following the classification of Dialogue Systems
proposed ... each Group A and
B, only in high ASR situation
User satisfaction in Table 1 was obtained as a
cumulative satisfaction score for each dialogue by
summing the scores of a set of questions similar...
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