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VLDB
1999
ACM
91views Database» more  VLDB 1999»
15 years 10 months ago
Probabilistic Optimization of Top N Queries
The problem of nding the best answers to a query quickly, rather than nding all answers, is of increasing importance as relational databases are applied in multimedia and decision...
Donko Donjerkovic, Raghu Ramakrishnan
GIS
2010
ACM
15 years 4 months ago
Decentralized querying of topological relations between regions without using localization
This paper proposes an efficient, decentralized algorithm for determining the topological relationship between two regions monitored by a geosensor network. Many centralized algo...
Matt Duckham, Myeong Hun Jeong, Sanjiang Li, Joche...
DEBU
2010
152views more  DEBU 2010»
15 years 3 months ago
Implementing an Append-Only Interface for Semiconductor Storage
Solid-state disks are currently based on NAND flash and expose a standard disk interface. To accommodate limitations of the medium, solid-state disk implementations avoid rewritin...
Colin W. Reid, Philip A. Bernstein
ICDE
2009
IEEE
155views Database» more  ICDE 2009»
16 years 1 months ago
SPROUT: Lazy vs. Eager Query Plans for Tuple-Independent Probabilistic Databases
— A paramount challenge in probabilistic databases is the scalable computation of confidences of tuples in query results. This paper introduces an efficient secondary-storage o...
Dan Olteanu, Jiewen Huang, Christoph Koch
SIGMOD
2009
ACM
148views Database» more  SIGMOD 2009»
16 years 6 months ago
Combining keyword search and forms for ad hoc querying of databases
A common criticism of database systems is that they are hard to query for users uncomfortable with a formal query language. To address this problem, form-based interfaces and keyw...
Eric Chu, Akanksha Baid, Xiaoyong Chai, AnHai Doan...