TAILIEUCHUNG - Báo cáo khoa học: "Reading Between the Lines: Learning to Map High-level Instructions to Commands"

In this paper, we address the task of mapping high-level instructions to sequences of commands in an external environment. Processing these instructions is challenging—they posit goals to be achieved without specifying the steps required to complete them. We describe a method that fills in missing information using an automatically derived environment model that encodes states, transitions, and commands that cause these transitions to happen. | Reading Between the Lines Learning to Map High-level Instructions to Commands . Branavan Luke S. Zettlemoyer Regina Barzilay Computer Science and Artificial Intelligence Laboratory Massachusetts Institute of Technology branavan Isz regina @ Abstract In this paper we address the task of mapping high-level instructions to sequences of commands in an external environment. Processing these instructions is challenging they posit goals to be achieved without specifying the steps required to complete them. We describe a method that fills in missing information using an automatically derived environment model that encodes states transitions and commands that cause these transitions to happen. We present an efficient approximate approach for learning this environment model as part of a policygradient reinforcement learning algorithm for text interpretation. This design enables learning for mapping high-level instructions which previous statistical methods cannot 1 Introduction In this paper we introduce a novel method for mapping high-level instructions to commands in an external environment. These instructions specify goals to be achieved without explicitly stating all the required steps. For example consider the first instruction in Figure 1 open control panel. The three GUI commands required for its successful execution are not explicitly described in the text and need to be inferred by the user. This dependence on domain knowledge makes the automatic interpretation of high-level instructions particularly challenging. The standard approach to this task is to start with both a manually-developed model of the environment and rules for interpreting high-level instructions in the context of this model Agre and 1Code data and annotations used in this work are available at http rbg code rl-hli Chapman 1988 Di Eugenio and White 1992 Di Eugenio 1992 Webber et al. 1995 . Given both the model and the rules logic-based inference is .

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