Title
End-To-End Named Entity And Semantic Concept Extraction From Speech.
Abstract
Named entity recognition (NER) is among SLU tasks that usually extract semantic information from textual documents. Until now, NER from speech is made through a pipeline process that consists in processing first an automatic speech recognition (ASR) on the audio and then processing a NER on the ASR outputs. Such approach has some disadvantages (error propagation, metric to tune ASR systems sub-optimal in regards to the final task, reduced space search at the ASR output level,...) and it is known that more integrated approaches outperform sequential ones, when they can be applied. In this paper, we explore an end-to-end approach that directly extracts named entities from speech, though a unique neural architecture. On a such way, a joint optimization is possible for both ASR and NER. Experiments are carried on French data easily accessible, composed of data distributed in several evaluation campaigns. The results are promising since this end-to-end approach provides similar results (F-measure= 0.66 on test data) than a classical pipeline approach to detect named entity categories (F-measure=0.64). Last, we also explore this approach applied to semantic concept extraction, through a slot filling task known as a spoken language understanding problem, and also observe an improvement in comparison to a pipeline approach.
Year
DOI
Venue
2018
10.1109/SLT.2018.8639513
SLT
Keywords
Field
DocType
Speech recognition,Task analysis,Semantics,Manuals,Speech processing,Pipelines,Training
Speech processing,Task analysis,Computer science,End-to-end principle,Speech recognition,Artificial intelligence,Test data,Deep learning,Named-entity recognition,Semantics,Spoken language
Conference
ISSN
ISBN
Citations 
2639-5479
978-1-5386-4334-1
2
PageRank 
References 
Authors
0.42
0
7
Name
Order
Citations
PageRank
sahar ghannay195.65
Antoine Caubrière233.48
Yannick Estève329850.89
Nathalie Camelin43914.29
Edwin Simonnet520.42
Antoine Laurent64312.04
Emmanuel Morin74216.13