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DASFAA
2004
IEEE
116views Database» more  DASFAA 2004»
13 years 11 months ago
Template-Based Proxy Caching for Table-Valued Functions
Abstract. Certain types of database-backed web sites heavily utilize userdefined functions in SQL queries. Unfortunately, existing web proxy caching schemes can not handle these fu...
Qiong Luo, Wenwei Xue
CIKM
2008
Springer
13 years 9 months ago
Answering general time sensitive queries
Time is an important dimension of relevance for a large number of searches, such as over blogs and news archives. So far, research on searching over such collections has largely f...
Wisam Dakka, Luis Gravano, Panagiotis G. Ipeirotis
DEXA
2008
Springer
113views Database» more  DEXA 2008»
13 years 9 months ago
Optimal Preference Elicitation for Skyline Queries over Categorical Domains
When issuing user-specific queries, users often have a vaguely defined information need. Skyline queries identify the most "interesting" objects for users' incomplet...
Jongwuk Lee, Gae-won You, Seung-won Hwang, Joachim...
PODS
2008
ACM
170views Database» more  PODS 2008»
14 years 7 months ago
Answering aggregate queries in data exchange
Data exchange, also known as data translation, has been extensively investigated in recent years. One main direction of research has focused on the semantics and the complexity of...
Foto N. Afrati, Phokion G. Kolaitis
EDBT
2004
ACM
155views Database» more  EDBT 2004»
14 years 7 months ago
Processing Unions of Conjunctive Queries with Negation under Limited Access Patterns
We study the problem of answering queries over sources with limited access patterns. The problem is to decide whether a given query Q is feasible, i.e., equivalent to an executable...
Alan Nash, Bertram Ludäscher