2850 search results - page 356 / 570 » Answering Queries using Humans, Algorithms and Databases |
121
Voted
CIKM
1997
Springer
15 years 7 months ago
1997
Springer
Terrain-aided navigation is a database application in which an aeroplane locates itself by matching the height trajectory with a terrain-elevation map on board the aircraft. Witho...
122
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PODS
2010
ACM
15 years 8 months ago
2010
ACM
We give the first optimal algorithm for estimating the number of distinct elements in a data stream, closing a long line of theoretical research on this problem begun by Flajolet...
148
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SSDBM
2007
IEEE
15 years 9 months ago
2007
IEEE
Bitmap indices have been widely used in several domains such as data warehousing and scientific applications due to their efficiency in answering certain query types over large ...
130
Voted
SAC
2006
ACM
15 years 9 months ago
2006
ACM
Structured data and complex schemas are becoming the main way to represent the information many Digital Libraries provide, thus impacting the services they offer. When searching i...
168
Voted
SPIESR
2001
15 years 5 months ago
2001
Humans tend to use high-level semantic concepts when querying and browsing multimedia databases; there is thus, a need for systems that extract these concepts and make available a...