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SIGMOD
2007
ACM
147views Database» more  SIGMOD 2007»
16 years 6 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»
16 years 1 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
16 years 4 days 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
ICIP
2010
IEEE
15 years 4 months ago
Dynamic selection of a feature-rich query frame for mobile video retrieval
In this paper, we focus on a new application of mobile visual search: snapping a photo with a mobile device of a video playing on a TV screen to automatically retrieve and stream ...
David M. Chen, Ngai-Man Cheung, Sam S. Tsai, Vijay...
IS
2011
14 years 10 months ago
Collection trees for event-monitoring queries
In this paper we present algorithms for building and maintaining efficient collection trees that provide the conduit to disseminate data required for processing monitoring queries...
Antonios Deligiannakis, Yannis Kotidis, Vassilis S...