tailieunhanh - Báo cáo khoa học: "UNDERSTANDING REPETITION IN NATURAL LANGUAGE INSTRUCTIONS - THE SEMANTICS OF EXTENT"

Natural language instructions, though prevalent in many spheres of communication, have only recently begun to receive attention within computational linguistics[5]. Instructions are often accompanied by language intended to signal repetition of the action that they instruct. In order to develop a system that is able to understand instructions, with the goal of executing them, it is necessary to investigate what is meant by various types of repetition, and the different ways in which repetition can be expressed. . | UNDERSTANDING REPETITION IN NATURAL LANGUAGE INSTRUCTIONS - THE SEMANTICS OF EXTENT Sheila Rock Department of Artificial Intelligence Edinburgh University 80 South Bridge Edinburgh EH1 1HN Scotland United Kingdom Introduction Natural language instructions though prevalent in many spheres of communication have only recently begun to receive attention within computational linguistics 5 . Instructions are often accompanied by language intended to signal repetition of the action that they instruct. In order to develop a system that is able to understand instructions with the goal of executing them it is necessary to investigate what is meant by various types of repetition and the different ways in which repetition can be expressed. We focus on sentences that are instructing that some action is to be performed and that this action is to be performed more than once 1. There are two aspects to consider - scope what part of the action that is instructed in the dialogue is to be repeated and extent how much repetition is to be done . This is illustrated by examples 1 and 2 . Place a chunk of rhubarb into each tart. 1 Continue to layer in this way until all the n fruit is used. The repetition in 1 has scope on place a chunk of rhubarb into a tart and extent across all tarts. 2 has scope over layer in this way and extent until all the fruit used. Within this framework of scope and extent that I have described only informally I discuss the issue of extent in more detail2. Karlin 3 presents a semantic analysis of verbal modifiers in the domain of cooking tasks. Much of this is pertinent to an examination of extent in particular the relation of different modifiers to the aspectual category of an event according to Moens Steedman 4 . This has formed an important starting point for my work in understanding instructions for repetition. However there are aspects where a different approach to Karlin s is required and some of these are discussed in the rest of .

• Báo cáo khoa học
• UNDERSTANDING REPETITION
• NATURAL LANGUAGE INSTRUCTIONS
• THE SEMANTICS OF EXTENT
• báo cáo khoa học
• mô hình ngôn ngữ
• xử lý ngôn ngữ tự nhiên
• Bài giảng Xử lý ngôn ngữ tự nhiên
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