710 search results - page 24 / 142 » Querying continuous functions in a database system |
CIKM
2011
Springer
12 years 7 months ago
2011
Springer
A continuous top-k query retrieves the k most preferred objects in a data stream according to a given preference function. These queries are important for a broad spectrum of appl...
ICDE
2009
IEEE
14 years 2 months ago
2009
IEEE
— Information Systems are subject to a perpetual evolution, which is particularly pressing in Web Information Systems, due to their distributed and often collaborative nature. Su...
FQAS
2006
Springer
13 years 11 months ago
2006
Springer
We present a functional model for the analysis of large volumes of detailed transactional data, accumulated over time. In our model, the data schema is an acyclic graph with a sing...
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Tutorial
The wide spread use of cellular phones, handheld devices, and GPS-like technology enables location-aware environments where virtually all objects are aware of their locations. Loca...
INFOCOM
2011
IEEE
12 years 11 months ago
2011
IEEE
—Top-k query has long been an important topic in many fields of computer science. Efficient implementation of the top-k queries is the key for information searching. With the n...