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» Groupwise Processing of Relational Queries
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RIAO
2007
15 years 5 months ago
Using a Content-and-Structure Oriented Method for Relevance Feedback in XML Retrieval
As opposed to traditional Information Retrieval (IR) which views whole documents as atomic units of retrieval, XML IR processes XML elements as possible units of retrieval. Many o...
Lobna Hlaoua, Mohand Boughanem, Karen Pinel-Sauvag...
TKDE
1998
142views more  TKDE 1998»
15 years 3 months ago
Performance Analysis of Three Text-Join Algorithms
—When a multidatabase system contains textual database systems (i.e., information retrieval systems), queries against the global schema of the multidatabase system may contain a ...
Weiyi Meng, Clement T. Yu, Wei Wang 0010, Naphtali...
158
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SENSYS
2004
ACM
15 years 9 months ago
Medians and beyond: new aggregation techniques for sensor networks
Wireless sensor networks offer the potential to span and monitor large geographical areas inexpensively. Sensors, however, have significant power constraint (battery life), makin...
Nisheeth Shrivastava, Chiranjeeb Buragohain, Divya...
SIGMOD
1996
ACM
132views Database» more  SIGMOD 1996»
15 years 8 months ago
Cost-Based Optimization for Magic: Algebra and Implementation
Magic sets rewriting is a well-known optimization heuristic for complex decision-support queries. There can be many variants of this rewriting even for a single query, which diffe...
Praveen Seshadri, Joseph M. Hellerstein, Hamid Pir...
123
Voted
WWW
2006
ACM
16 years 4 months ago
A web-based kernel function for measuring the similarity of short text snippets
Determining the similarity of short text snippets, such as search queries, works poorly with traditional document similarity measures (e.g., cosine), since there are often few, if...
Mehran Sahami, Timothy D. Heilman