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ICDE
2006
IEEE
146views Database» more  ICDE 2006»
15 years 5 months ago
Supporting Predicate-Window Queries in Data Stream Management Systems
The window query model is widely used in data stream management systems where the focus of a continuous query is limited to a set of the most recent tuples. In this dissertation, ...
Thanaa M. Ghanem
PVLDB
2008
216views more  PVLDB 2008»
14 years 10 months ago
Ad-hoc data processing in the cloud
Ad-hoc data processing has proven to be a critical paradigm for Internet companies processing large volumes of unstructured data. However, the emergence of cloud-based computing, ...
Dionysios Logothetis, Ken Yocum
PODS
2004
ACM
147views Database» more  PODS 2004»
15 years 12 months ago
Flexible Time Management in Data Stream Systems
Continuous queries in a Data Stream Management System (DSMS) rely on time as a basis for windows on streams and for defining a consistent semantics for multiple streams and updata...
Utkarsh Srivastava, Jennifer Widom
JHSN
2002
119views more  JHSN 2002»
14 years 11 months ago
On the efficacy of quality, frame rate, and buffer management for video streaming across best-effort networks
In this paper, we propose a mechanism that supports the high quality streaming and adaptation of stored, constant-quality video across best-effort networks. The difficulty in the d...
Wu-chi Feng
ICDE
2007
IEEE
149views Database» more  ICDE 2007»
16 years 1 months ago
Optimizing Timestamp Management in Data Stream Management Systems
It has long been recognized that multi-stream operators, such as union and join, often have to wait idly in a temporarily blocked state, as a result of skews between the timestamp...
Yijian Bai, Hetal Thakkar, Haixun Wang, Carlo Zani...