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WEBI
2010
Springer
15 years 1 months ago
On Using Query Logs for Static Index Pruning
Static index pruning techniques aim at removing from the posting lists of an inverted file the references to documents which are likely to be not relevant for answering user querie...
Hoang Thanh Lam, Raffaele Perego, Fabrizio Silvest...
BNCOD
2011
356views Database» more  BNCOD 2011»
14 years 3 months ago
Achieving High Freshness and Optimal Throughput in CPU-Limited Execution of Multi-join Continuous Queries
Due to high data volumes and unpredictable arrival rates, continuous query systems processing expensive queries in real-time may fail to keep up with the input data streams - resul...
Abhishek Mukherji, Elke A. Rundensteiner, Matthew ...
211
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SIGMOD
2007
ACM
147views Database» more  SIGMOD 2007»
16 years 3 months ago
Extending relational query optimization to dynamic schemas for information integration in multidatabases
This paper extends relational processing and optimization to the FISQL/FIRA languages for dynamic schema queries over multidatabases. Dynamic schema queries involve the creation a...
Catharine M. Wyss, Felix I. Wyss
EDBT
2010
ACM
150views Database» more  EDBT 2010»
15 years 10 months ago
Gossiping personalized queries
This paper presents P3Q, a fully decentralized gossip-based protocol to personalize query processing in social tagging systems. P3Q dynamically associates each user with social ac...
Xiao Bai, Marin Bertier, Rachid Guerraoui, Anne-Ma...
CIKM
2005
Springer
15 years 8 months ago
Indexing time vs. query time: trade-offs in dynamic information retrieval systems
We examine issues in the design of fully dynamic information retrieval systems with support for instantaneous document insertions and deletions. We present one such system and dis...
Stefan Büttcher, Charles L. A. Clarke