ADBIS
2009
Springer
13 years 11 months ago
2009
Springer
Conceptual modeling of XML data was made easier with
ADBIS
2009
Springer
13 years 11 months ago
2009
Springer
Abstract. Caching data reduces user-perceived latency and often enhances availability in case of server crashes or network failures. DB caching aims at local processing of declarat...
ADBIS
2009
Springer
13 years 11 months ago
2009
Springer
Abstract. We consider the problem of query containment for conjunctive queries with the safe negation property. Some necessary conditions for this problem are given. A part of the ...
ADBIS
2009
Springer
13 years 11 months ago
2009
Springer
Continuous queries applied over nonterminating data streams usually specify windows in order to obtain an evolving –yet restricted– set of tuples and thus provide timely result...
ADBIS
2009
Springer
13 years 11 months ago
2009
Springer
Abstract. Being able to activate triggers at timepoints reached or after time intervals elapsed has been acknowledged by many authors as a valuable functionality of a DBMS. Recentl...
ADBIS
2009
Springer
13 years 11 months ago
2009
Springer
Abstract. In moving object databases, many authors assume that number and position of objects to be processed are always known in advance. Detecting an unknown moving object and pu...
ADBIS
2009
Springer
13 years 11 months ago
2009
Springer
The development of location-based services and advances in the field of mobile computing have motivated an intensive research effort devoted to the efficient processing of locati...
ADBIS
2009
Springer
13 years 11 months ago
2009
Springer
The inefficiency of integration processes—as an abstraction of workflow-based integration tasks—is often reasoned by low resource utilization and significant waiting times f...