End-to-end dialog systems, in which all components are learnt simultaneously,
have recently obtained encouraging successes. However these were mostly on
conversations related to chit-chat with no clear objective and for which
evaluation is difficult. This paper proposes a set of tasks to test the
capabilities of such systems on goal-oriented dialogs, where goal completion
ensures a well-defined measure of performance. Built in the context of
restaurant reservation, our tasks require to manipulate sentences and symbols,
in order to properly conduct conversations, issue API calls and use the outputs
of such calls. We show that an end-to-end dialog system based on Memory
Networks can reach promising, yet imperfect, performance and learn to perform
non-trivial operations. We confirm those results by comparing our system to a
hand-crafted slot-filling baseline on data from the second Dialog State
Tracking Challenge (Henderson et al., 2014a).

Source: http://lslink.info/?c=QWM


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