Query previews for networked information systems
نویسندگان
چکیده
منابع مشابه
Query Previews in Networked Information Systems
In a networked information system, there are three major obstacles facing users in a querying process: network performance, data volume and data complexity. In order to overcome these obstacles, we propose a two-phase approach to dynamic query formulation by volume preview. The two phases are the Query Preview and Query Refinement. In the Query Preview phase, users formulate an initial query by...
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Companies, government agencies, and other organizations are making their data available to the world over the Internet. These organizations store their data in large tables. These tables are usually kept in relational databases. Online access to such databases is common. Users query these databases with different front-ends. These front-ends use command languages, menus, or form fillin interfac...
متن کاملComputing Query Previews in the Flamenco System
The Flamenco system [7, 6] is a web search interface that allows users to browse through large data sets using predefined hierarchical faceted metadata. It is built on top of a conventional relational database and currently scales to collections of several tens of thousands of items. In the current implementation, the system translates each user query into multiple SQL group-by commands in orde...
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Companies, government agencies, and other types of organizations are making their large data available to the world over the Internet. Current front-ends rarely give users information about the contents of the data. This leads many users to waste time and network resources posing queries that have either zero-hit or mega-hit result sets. Query previews form a novel visual approach for browsing ...
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A novel method named collaborative query previews (CQPs) to augment information seeking in digital libraries is proposed. CQPs aim to help users make better sense of the collection of a digital library from two perspectives: query previews and recommendations of past queries. Query previews generate overviews about a collection of documents through a set of aggregate information on selected att...
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ژورنال
عنوان ژورنال: ACM SIGMOD Record
سال: 1997
ISSN: 0163-5808
DOI: 10.1145/248603.248617