27756 search results - page 62 / 5552 » Process Query Systems |
VISUAL
1999
Springer
14 years 3 months ago
1999
Springer
Abstract. Unlike traditional database management systems, in multimedia databases that support content-based retrieval over multimedia objects, it is difficult for users to express...
SIGMOD
2006
ACM
14 years 11 months ago
2006
ACM
This paper presents a principled framework for efficient processing of ad-hoc top-k (ranking) aggregate queries, which provide the k groups with the highest aggregates as results....
SIGMOD
2004
ACM
14 years 11 months ago
2004
ACM
Peer data management systems (PDMS) offer a flexible architecture for decentralized data sharing. In a PDMS, every peer is associated with a schema that represents the peer's...
P2P
2008
IEEE
14 years 5 months ago
2008
IEEE
Unstructured peer-to-peer infrastructure has been widely employed to support large-scale distributed applications. Many of these applications, such as locationbased services and m...
PODS
2002
ACM
14 years 11 months ago
2002
ACM
In this overview paper we motivate the need for and research issues arising from a new model of data processing. In this model, data does not take the form of persistent relations...