SIGMOD
2003
ACM
14 years 4 months ago
2003
ACM
The W3C XQuery language recommendation, based on a hierarchical and ordered document model, supports a wide variety of constructs and use cases. There is a diversity of approaches...
SIGMOD
2003
ACM
14 years 4 months ago
2003
ACM
We consider the problem of approximating sliding window joins over data streams in a data stream processing system with limited resources. In our model, we deal with resource cons...
SIGMOD
2003
ACM
14 years 4 months ago
2003
ACM
SIGMOD
2003
ACM
14 years 4 months ago
2003
ACM
SIGMOD
2003
ACM
14 years 4 months ago
2003
ACM
Many applications employ sensors for monitoring entities such as temperature and wind speed. A centralized database tracks these entities to enable query processing. Due to contin...
SIGMOD
2003
ACM
14 years 4 months ago
2003
ACM
In this paper, we study whether the need for efficient XML publishing brings any new requirements for relational query engines, or if sorting query results in the relational engin...
SIGMOD
2003
ACM
14 years 4 months ago
2003
ACM
Decision-support applications generate queries with complex predicates. We show how the factorization of complex query expressions exposes significant opportunities for exploiting...
SIGMOD
2003
ACM
14 years 4 months ago
2003
ACM
To ensure high data quality, data warehouses must validate and cleanse incoming data tuples from external sources. In many situations, clean tuples must match acceptable tuples in...
SIGMOD
2003
ACM
14 years 4 months ago
2003
ACM
Increasingly pervasive networks are leading towards a world where data is constantly in motion. In such a world, conventional techniques for query processing, which were developed...
SIGMOD
2003
ACM
14 years 4 months ago
2003
ACM