Sciweavers

2092 search results - page 201 / 419
» Dynamically Distributed Query Evaluation
Sort
View
117
Voted
SIGIR
2009
ACM
15 years 10 months ago
Approximating true relevance distribution from a mixture model based on irrelevance data
Pseudo relevance feedback (PRF), which has been widely applied in IR, aims to derive a distribution from the top n pseudo relevant documents D. However, these documents are often ...
Peng Zhang, Yuexian Hou, Dawei Song
159
Voted
DEBS
2009
ACM
15 years 7 months ago
Efficient event-based resource discovery
The ability to find services or resources that satisfy some criteria is an important aspect of distributed systems. This paper presents an event-based architecture to support more...
Wei Yan, Songlin Hu, Vinod Muthusamy, Hans-Arno Ja...
150
Voted
ICDE
2009
IEEE
143views Database» more  ICDE 2009»
15 years 10 months ago
Supporting Generic Cost Models for Wide-Area Stream Processing
— Existing stream processing systems are optimized for a specific metric, which may limit their applicability to diverse applications and environments. This paper presents XFlow...
Olga Papaemmanouil, Ugur Çetintemel, John J...
128
Voted
EDBT
2009
ACM
144views Database» more  EDBT 2009»
15 years 7 months ago
Efficient maintenance techniques for views over active documents
Many Web applications are based on dynamic interactions between Web components exchanging flows of information. Such a situation arises for instance in mashup systems or when moni...
Serge Abiteboul, Pierre Bourhis, Bogdan Marinoiu
97
Voted
MASCOTS
2004
15 years 4 months ago
Reliable Response Delivery in Peer-to-Peer Systems
Unstructured peer-to-peer (P2P) system is the prevalent model in today's P2P system. In such systems, a response is sent along the same path that carried the incoming query m...
Xiaomei Liu, Yunhao Liu, Li Xiao