SIGMOD
2002
ACM
14 years 11 months ago
2002
ACM
QURSED enables the development of web-based query forms and reports (QFRs) that query and report semistructured XML data, i.e., data that are characterized by nesting, irregularit...
SIGMOD
2002
ACM
14 years 11 months ago
2002
ACM
In environments where exact synchronization between source data objects and cached copies is not achievable due to bandwidth or other resource constraints, stale (out-of-date) cop...
SIGMOD
2002
ACM
14 years 11 months ago
2002
ACM
SIGMOD
2002
ACM
14 years 11 months ago
2002
ACM
We present a continuously adaptive, continuous query (CACQ) implementation based on the eddy query processing framework. We show that our design provides significant performance b...
SIGMOD
2002
ACM
14 years 11 months ago
2002
ACM
Scaling up to the enormous and growing Internet population with unpredictable usage patterns, Ecommerce applications face severe challenges in cost and manageability, especially f...
SIGMOD
2002
ACM
14 years 11 months ago
2002
ACM
Recently, Haas and Hellerstein proposed the hash ripple join algorithm in the context of online aggregation. Although the algorithm rapidly gives a good estimate for many join-agg...
SIGMOD
2002
ACM
14 years 11 months ago
2002
ACM
Joins are among the most frequently executed operations. Several fast join algorithms have been developed and extensively studied; these can be categorized as sort-merge, hash-bas...
SIGMOD
2002
ACM
14 years 11 months ago
2002
ACM
In this paper, we ask if the traditional relational query acceleration techniques of summary tables and covering indexes have analogs for branching path expression queries over tr...
SIGMOD
2002
ACM
14 years 11 months ago
2002
ACM
Spatial indexing has been one of the active focus areas in recent database research. Several variants of Quadtree and R-tree indexes have been proposed in database literature. In ...
SIGMOD
2002
ACM
14 years 11 months ago
2002
ACM
Peer-to-Peer (P2P) systems are becoming increasingly popular as they enable users to exchange digital information by participating in complex networks. Such systems are inexpensiv...