Figure 4: Searching for Data Sources Using W3ql
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منابع مشابه
W3QS - A System for WWW Querying
W3QL is a, SQL-like, high level language for accessing World-Wide Web (WWW) resident data and services. W3QL is declarative. A W3QL query specijes a graph to be matched with portions of the WWW (graph nodes corresponding to WWWpages, edges to hypertext links). A query can specify complex conditions on nodes’ contents and their relationships. A W3QL query may use existing search services (e.g. A...
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Design the database Decide on the coverage for the new database. Prepare a list of potential data sources (Figure 3). Develop the conceptual schema (Figure 4). Decide on an approach to indexing (Figure 5). Decide on an approach to searching and the user-system interface (Figure 6). Adapt or develop a thesaurus that supports the approach selected. Select tools for implementation (hardware, softw...
متن کاملDatabase-Inspired Search
“W3QL: A Query Language for the WWW”, published in 1995, presented a language with several distinctive features. Employing existing indexes as access paths, it allowed the selection of documents using conditions on semi-structured documents and maintaining dynamic views of navigational queries. W3QL was capable of automatically filling out forms and navigating through them. Finally, in the SQL ...
متن کاملAn Investigation of Information Seeking Behavior of Graduate Students of Kharazmi University in Writeing Dissertation
Background and Aim: These days, Internet and online databases play a significant role in peoples’ information-seeking behavior, especially for postgraduate students. The kind of behavior seen on the part of those students who get help from online databases to write their theses might be completely different from those who search library sources to get the needed information. This study invest...
متن کاملمدل پیشنهادی بازنمائی مکانی مجموعه منابع کتابخانه با استفاده از جی‌آی‌اس (مطالعه موردی: کتابخانه مرکزی دانشگاه تهران)
Introduction: Considering the library users’ difficulty in searching and finding the location of the available sources in the library and their lack of familiarity with the ranking systems, the current study was conducted primarily to propose a model of mapping library collection through geographical information system (GIS), and, secondarily, to implement it in mapping library collection at th...
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تاریخ انتشار 1998