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IDEAS
2005
IEEE
15 years 3 months ago
2005
IEEE
We present external-memory algorithms for differencing large hierarchical datasets. Our methods are especially suited to streaming data with bounded differences. For input sizes m...
76
Voted
IDEAS
2005
IEEE
15 years 3 months ago
2005
IEEE
On first glance agent technology seems more like a hostile intruder into the database world. On the other hand, the two could easily complement each other, since agents carry out ...
56
Voted
IDEAS
2005
IEEE
15 years 3 months ago
2005
IEEE
In this paper, we address the problem of incrementally maintaining a histogram in response to a non-stationary update process. In relational database systems, this problem can occ...
IDEAS
2005
IEEE
15 years 3 months ago
2005
IEEE
We introduce and study a new class of queries that we refer to as ACMA (arithmetic constraints on multiple attributes) queries. Such combinatorial queries require the simultaneous...
IDEAS
2005
IEEE
15 years 3 months ago
2005
IEEE
While traditional fixed-wired network protocols like 2Phase-Commit guarantee atomicity, we cannot use them in mobile low bandwidth networks where network partitioning, node failu...