574 search results - page 77 / 115 » Distributed Queries and Query Optimization in Schema-Based P... |
EDBT
2009
ACM
13 years 11 months ago
2009
ACM
Many Web applications are based on dynamic interactions between Web components exchanging flows of information. Such a situation arises for instance in mashup systems or when moni...
SIGMOD
2010
ACM
13 years 7 months ago
2010
ACM
Histograms have been widely used for fast estimation of query result sizes in query optimization. In this paper, we propose a new histogram method, called the Skew-Tolerant Histog...
EDBT
2002
ACM
14 years 7 months ago
2002
ACM
For a spatial database management system, it is an important goal to minimize the I/O-cost of queries and other operations. Several page-replacement strategies have been proposed a...
PDIS
1994
IEEE
13 years 11 months ago
1994
IEEE
We propose a new client-side data-caching scheme for relational databases with a central server and multiple clients. Data are loaded into each client cache based on queries execut...
ICDCS
2007
IEEE
13 years 11 months ago
2007
IEEE
This paper presents GeoGrid, a geographical location service overlay network system, for providing scalable location-based services to a large and growing number of mobile users. ...