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2012 | OriginalPaper | Buchkapitel

6. Statistical Approaches to Adaptive Natural Language Generation

verfasst von : Oliver Lemon, Srini Janarthanam, Verena Rieser

Erschienen in: Data-Driven Methods for Adaptive Spoken Dialogue Systems

Verlag: Springer New York

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Abstract

Employing statistical models of users, generation contexts and of naturallanguages themselves has several potentially beneficial features: the ability to trainmodels on real data, the availability of precise mathematical methods foroptimisation, and the capacity to adapt robustly to previously unseensituations.

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Fußnoten
1
Similar to the internal user models applied in recent work on POMDP (partially observable markov decision process) dialogue managers [16, 18, 61] for estimation of user act probabilities.
 
2
Where a u, t is the predicted next user action at time t, IP s, t was the system’s information presentation action at t, and attributes s, t are the attributes selected by the system at t.
 
3
Note that the maximum possible number of sentences generated by the realiser is 18 for the full IP sequence summary+compare+recommend using all the attributes.
 
4
Note that the baseline does reasonably well in scenarios with variation introduced by only higher-level features (e.g. scenario 2. 2).
 
5
We will use italicised forms to represent the domain entities (e.g. broadband_filter) and double quotes to represent the referring expressions (e.g. “broadband filter”).
 
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Metadaten
Titel
Statistical Approaches to Adaptive Natural Language Generation
verfasst von
Oliver Lemon
Srini Janarthanam
Verena Rieser
Copyright-Jahr
2012
Verlag
Springer New York
DOI
https://doi.org/10.1007/978-1-4614-4803-7_6

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