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130
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SIGIR
2005
ACM
15 years 10 months ago
An exploration of axiomatic approaches to information retrieval
Existing retrieval models generally do not offer any guarantee for optimal retrieval performance. Indeed, it is even difficult, if not impossible, to predict a model’s empirica...
Hui Fang, ChengXiang Zhai
COCO
2003
Springer
118views Algorithms» more  COCO 2003»
15 years 10 months ago
Lower bounds for predecessor searching in the cell probe model
We consider a fundamental problem in data structures, static predecessor searching: Given a subset S of size n from the universe [m], store S so that queries of the form “What i...
Pranab Sen
SIGMOD
2007
ACM
170views Database» more  SIGMOD 2007»
16 years 5 months ago
Cardinality estimation using sample views with quality assurance
Accurate cardinality estimation is critically important to high-quality query optimization. It is well known that conventional cardinality estimation based on histograms or simila...
Per-Åke Larson, Wolfgang Lehner, Jingren Zho...
178
Voted
SIGMOD
2003
ACM
140views Database» more  SIGMOD 2003»
16 years 5 months ago
A Comprehensive XQuery to SQL Translation using Dynamic Interval Encoding
The W3C XQuery language recommendation, based on a hierarchical and ordered document model, supports a wide variety of constructs and use cases. There is a diversity of approaches...
David DeHaan, David Toman, Mariano P. Consens, M. ...
HPCS
2006
IEEE
15 years 11 months ago
Collaborative Agents for Data Dissemination in Wireless Sensor Networks
This paper presents collaborative agents system architecture approach for data dissemination in a wireless sensor network (WSN). This system architecture consists of four layers o...
Sajid Hussain, Elhadi Shakshuki, Abdul Wasey Matin...