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» An Approach to Querying Multiple Object Databases
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UAI
2007
14 years 11 months ago
Aggregating Across Multiple Levels of Granularity to Meet Customer and Organizational Query Requirements
A research organization responds to a variety of customer requests. Each high level request is broken down into a set of low level requests. For each low level request, the resear...
Suzanne M. Mahoney
IDEAS
2007
IEEE
84views Database» more  IDEAS 2007»
15 years 4 months ago
Multiple Entry Indexing and Double Indexing
Traditional indexing techniques are not well suited for complex data types such as spatial, spatio-temporal, and multimedia data types, where an instance is a composite of multipl...
Victor Teixeira de Almeida, Ralf Hartmut Güti...
RTSS
2006
IEEE
15 years 3 months ago
Mutual Consistency in Real-Time Databases
A real-time database is composed of real-time objects whose values remain valid only within their validity intervals. Each object in the database models a real world entity. The f...
Abhay Kumar Jha, Ming Xiong, Krithi Ramamritham
SEBD
2007
113views Database» more  SEBD 2007»
14 years 11 months ago
Conditional Preferences: A New Semantics for Database Queries
Preference queries aim to retrieve from large databases those objects that better match user’s requirements. Approaches proposed so far in the DB field for specifying preference...
Paolo Ciaccia
SIGMOD
2007
ACM
229views Database» more  SIGMOD 2007»
15 years 10 months ago
Spark: top-k keyword query in relational databases
With the increasing amount of text data stored in relational databases, there is a demand for RDBMS to support keyword queries over text data. As a search result is often assemble...
Yi Luo, Xuemin Lin, Wei Wang 0011, Xiaofang Zhou