838 search results - page 76 / 168 » Modeling skew in data streams |
PKDD
2004
Springer
14 years 3 months ago
2004
Springer
Abstract In this paper we propose a novel parallel algorithm for frequent itemset mining. The algorithm is based on the filter-stream programming model, in which the frequent item...
VLDB
2005
ACM
14 years 3 months ago
2005
ACM
We study XML stream-specific schema-based optimization. We assume a widely-adopted automata-based execution model for XQuery evaluation. Criteria are established regarding what s...
SIGMOD
2005
ACM
14 years 10 months ago
2005
ACM
A defining characteristic of continuous queries over on-line data streams, possibly bounded by sliding windows, is the potentially infinite and time-evolving nature of their input...
IPMU
2010
Springer
14 years 2 months ago
2010
Springer
This article proposes knowledge-based short-time prediction methods for multivariate streaming time series, relying on the early recognition of local patterns. A parametric, well-i...
WWW
2008
ACM
14 years 10 months ago
2008
ACM
Because of the high volume and unpredictable arrival rate, stream processing systems may not always be able to keep up with the input data streams-- resulting in buffer overflow a...