NDLI: Understanding the Search Interfaces of the Deep Web Based on Domain Model

Content Provider	IEEE Xplore Digital Library
Author	XiaoJie Yuan HuiBin Zhang Zong-Yun Yang YanLong Wen
Copyright Year	2009
Abstract	The web has been rapidly deepened by many searchable databases online recently. Those databases can be accessed through form-based search interfaces that allow users to specify query conditions. For integrating Web databases, the very first challenge is to understand the search interface. Such a search interface can be considered as an interface schema with multiple attributes, however, the interface is created autonomously and its schema is not defined in HTML which makes the schema extraction of an interface a challenge task. In this paper, we propose a novel approach to automatic extraction of the logic attributes from search interfaces. First, we define a domain model for each deep web domain as a global schema to guide the extraction process of the interface schema; second, we group the labels belonging to the same attribute of an interface, and produce a label tree of the interface; third, we find the related label of each element if it has one; last, we merge the results of the former two steps to complete the schema extraction. The last three steps are implemented based on the domain model. Our experiments show the promise of this approach-it achieves above 96.87% accuracy for extracting query attributes.
Starting Page	1194
Ending Page	1199
File Size	393416
Page Count	6
File Format	PDF
ISBN	9780769536415
DOI	10.1109/ICIS.2009.32
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-06-01
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Databases HTML Computer interfaces Web search Application software Data mining Information science Educational institutions Automatic logic units Humans domain model Deep web serche interface
Content Type	Text
Resource Type	Article

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