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ADC
2004
Springer
88views Database» more  ADC 2004»
9 years 1 months ago
An Efficient Method for Indexing Now-relative Bitemporal data
Most modern database applications contain a significant amount of time dependent data and a substantial proportion of this data is now-relative, i.e. current now. While much resea...
Bela Stantic, Sankalp Khanna, John Thornton
ADC
2004
Springer
141views Database» more  ADC 2004»
9 years 1 months ago
Conflict Scheduling of Transactions on XML Documents
In the last few years an interest in native XML databases has surfaced. With other authors we argue that such databases need their own provisions for concurrency control since tra...
Stijn Dekeyser, Jan Hidders
ADC
2004
Springer
109views Database» more  ADC 2004»
9 years 1 months ago
A Model of Dynamic Resource Allocation in Workflow Systems
Current collaborative work environments are characterized by dynamically changing organizational structures. Although there have been several efforts to refine work distribution, ...
Guido Governatori, Antonino Rotolo, Shazia Wasim S...
ADC
2004
Springer
105views Database» more  ADC 2004»
9 years 2 months ago
Do Clarity Scores for Queries Correlate with User Performance?
Recently the concept of a clarity score was introduced in order to measure the ambiguity of a query in relation to the collection in which the query issuer is seeking information ...
Andrew Turpin, William R. Hersh
ADC
2004
Springer
109views Database» more  ADC 2004»
9 years 2 months ago
Data Flow and Validation in Workflow Modelling
A complete workflow specification requires careful integration of many different process characteristics. Decisions must be made as to the definitions of individual activities, th...
Shazia W. Sadiq, Maria E. Orlowska, Wasim Sadiq, C...
ADC
2004
Springer
147views Database» more  ADC 2004»
9 years 2 months ago
Clustering Moving Objects for Spatio-temporal Selectivity Estimation
Many spatio-temporal applications involve managing and querying moving objects. In such an environment, predictive spatio-temporal queries become an important query class to be pr...
Qing Zhang, Xuemin Lin
ADC
2004
Springer
156views Database» more  ADC 2004»
9 years 2 months ago
Multiresolution Amalgamation: Dynamic Spatial Data Cube Generation
Aggregating spatial objects is a necessary step in generating spatial data cubes to support roll-up/drill-down operations. Current approaches face performance bottleneck issues wh...
Sham Prasher, Xiaofang Zhou
ADC
2004
Springer
97views Database» more  ADC 2004»
9 years 2 months ago
A Collaborative Approach for Caching Dynamic Data in Portal Applications
Portals are one of the rapidly growing applications on the Web, providing a single interface to access different sources (providers). Providing fast response time is one of the c...
Mehregan Mahdavi, John Shepherd, Boualem Benatalla...
ADC
2004
Springer
87views Database» more  ADC 2004»
9 years 2 months ago
On the Computation of Approximations of Database Queries
Reflective Relational Machines were introduced by S. Abiteboul, C. Papadimitriou and V. Vianu in 1994, as variations of Turing machines which are suitable for the computation of ...
Flavio Antonio Ferrarotti, Jose Maria Turull Torre...
ADC
2004
Springer
113views Database» more  ADC 2004»
9 years 2 months ago
Web Service Composition Transaction Management
The development of new web services by composition of existing services is becoming an extensive approach. This has resulted in transactions that span in multiple web services. Th...
Benchaphon Limthanmaphon, Yanchun Zhang
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