25218 search results - page 4944 / 5044 » A Logic-Based Information System |
REFLECTION
2001
Springer
15 years 2 months ago
2001
Springer
, are to address what we perceive as the most pressing shortcomings of current reflective middleware platforms. First, performance: in the worst case, this needs to be on a par wit...
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VLDB
2001
ACM
15 years 2 months ago
2001
ACM
Most modern DBMS optimizers rely upon a cost model to choose the best query execution plan (QEP) for any given query. Cost estimates are heavily dependent upon the optimizer’s e...
INFOCOM
2000
IEEE
15 years 2 months ago
2000
IEEE
— An ad-hoc network of wireless static nodes is considered as it arises in a rapidly deployed, sensor based, monitoring system. Information is generated in certain nodes and need...
VISUALIZATION
2000
IEEE
15 years 2 months ago
2000
IEEE
In this paper, we present a new technique for extracting regions of interest (ROI) applying a local watershed transformation. The proposed strategy for computing catchment basins ...
ADBIS
2000
Springer
15 years 2 months ago
2000
Springer
Queries involving aggregation are typical in a number of database research areas, such as data warehousing, global information systems and mobile computing. One of the main ideas ...