8763 search results - page 218 / 1753 » Querying Database Knowledge |
160
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EDBT
2010
ACM
15 years 8 months ago
2010
ACM
Recently, there has been growing interest in random sampling from online hidden databases. These databases reside behind form-like web interfaces which allow users to execute sear...
150
Voted
DEXA
2009
Springer
15 years 8 months ago
2009
Springer
Abstract. Sensor database is a type of database management system which offers sensor data and stored data in its data model and query languages. In this system, when a user poses ...
237
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VLDB
2007
ACM
16 years 4 months ago
2007
ACM
Incompleteness due to missing attribute values (aka "null values") is very common in autonomous web databases, on which user accesses are usually supported through media...
248
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SIGMOD
2007
ACM
16 years 4 months ago
2007
ACM
Graphs are prevalently used to model the relationships between objects in various domains. With the increasing usage of graph databases, it has become more and more demanding to e...
125
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AVI
2000
15 years 6 months ago
2000
To support users in querying geographic databases we have developed a system that lets people sketch what they are looking for. It closes the gap between user and information syst...