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VLDB
2005
ACM
165views Database» more  VLDB 2005»
16 years 5 days ago
Semantic Adaptation of Schema Mappings when Schemas Evolve
Schemas evolve over time to accommodate the changes in the information they represent. Such evolution causes invalidation of various artifacts depending on the schemas, such as sc...
Cong Yu, Lucian Popa
VLDB
2005
ACM
115views Database» more  VLDB 2005»
16 years 5 days ago
KLEE: A Framework for Distributed Top-k Query Algorithms
This paper addresses the efficient processing of top-k queries in wide-area distributed data repositories where the index lists for the attribute values (or text terms) of a query...
Sebastian Michel, Peter Triantafillou, Gerhard Wei...
CIKM
2005
Springer
16 years 5 days ago
WAM-Miner: in the search of web access motifs from historical web log data
Existing web usage mining techniques focus only on discovering knowledge based on the statistical measures obtained from the static characteristics of web usage data. They do not ...
Qiankun Zhao, Sourav S. Bhowmick, Le Gruenwald
CSCW
2004
ACM
16 years 4 days ago
Collaborating around collections: informing the continued development of photoware
This paper explores the embodied interactional ways in which people naturally collaborate around and share collections of photographs. We employ ethnographic studies of paper-base...
Andy Crabtree, Tom Rodden, John A. Mariani
DOLAP
2004
ACM
16 years 4 days ago
Aggregate queries in peer-to-peer OLAP
A peer-to-peer (P2P) data management system consists essentially of a network of peer systems, each maintaining full autonomy over its own data resources. Data exchange between pe...
Mauricio Minuto Espil, Alejandro A. Vaisman