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» Answering Queries using Humans, Algorithms and Databases
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DKE
2008
109views more  DKE 2008»
15 years 3 months ago
Deterministic algorithms for sampling count data
Processing and extracting meaningful knowledge from count data is an important problem in data mining. The volume of data is increasing dramatically as the data is generated by da...
Hüseyin Akcan, Alex Astashyn, Hervé Br...
136
Voted
VLDB
1991
ACM
165views Database» more  VLDB 1991»
15 years 7 months ago
Aggregation and Relevance in Deductive Databases
In this paper we present a technique to optimize queries on deductive databases that use aggregate operations such as min, max, and “largest Ic values.” Our approach is based ...
S. Sudarshan, Raghu Ramakrishnan
HPDC
2010
IEEE
15 years 4 months ago
Distributing the power of OLAP
In this paper we present the Brown Dwarf, a distributed system designed to efficiently store, query and update multidimensional data over an unstructured Peer-to-Peer overlay, wit...
Katerina Doka, Dimitrios Tsoumakos, Nectarios Kozi...
110
Voted
IS
2008
15 years 3 months ago
Joining the results of heterogeneous search engines
In recent years, while search engines have become more and more powerful, several specialized search engines have been developed for different domains (e.g. library services, serv...
Daniele Braga, Alessandro Campi, Stefano Ceri, Ale...
126
Voted
DASFAA
2011
IEEE
197views Database» more  DASFAA 2011»
14 years 7 months ago
Finding the Sites with Best Accessibilities to Amenities
Abstract. Finding the most accessible locations has a number of applications. For example, a user may want to find an accommodation that is close to different amenities such as s...
Qianlu Lin, Chuan Xiao, Muhammad Aamir Cheema, Wei...