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DEXA
2003
Springer
135views Database» more  DEXA 2003»
15 years 7 months ago
On the Optimality of Holistic Algorithms for Twig Queries
Streaming XML documents has many emerging applications. However, in this paper, we show that the restrictions imposed by data streaming are too restrictive for processing twig quer...
Byron Choi, Malika Mahoui, Derick Wood
105
Voted
DBPL
2009
Springer
144views Database» more  DBPL 2009»
15 years 9 months ago
General Database Statistics Using Entropy Maximization
Abstract. We propose a framework in which query sizes can be estimated from arbitrary statistical assertions on the data. In its most general form, a statistical assertion states t...
Raghav Kaushik, Christopher Ré, Dan Suciu
93
Voted
HT
2006
ACM
15 years 8 months ago
Templates and queries in contextual hypermedia
This paper presents a new definition of context for contextaware computing based on a model that relies on dynamic queries over structured objects. This new model enables develop...
Kenneth M. Anderson, Frank Allan Hansen, Niels Olo...
MEDINFO
2007
116views Healthcare» more  MEDINFO 2007»
15 years 4 months ago
Knowledge-Level Querying of Temporal Patterns in Clinical Research Systems
Managing time-stamped data is essential to clinical research activities and often requires the use of considerable domain knowledge, which is difficult to support within database ...
Martin J. O'Connor, Ravi D. Shankar, David B. Parr...
225
Voted
ICDT
2011
ACM
270views Database» more  ICDT 2011»
14 years 6 months ago
On the equivalence of distributed systems with queries and communication
Distributed data management systems consist of peers that store, exchange and process data in order to collaboratively achieve a common goal, such as evaluate some query. We study...
Serge Abiteboul, Balder ten Cate, Yannis Katsis