PVLDB
2010
13 years 9 months ago
2010
Studies show that about 50% of web search is for information exploration purpose, where a user would like to investigate, compare, evaluate, and synthesize multiple relevant resul...
PVLDB
2010
13 years 9 months ago
2010
Mobile commerce and location based services (LBS) are some of the fastest growing IT industries in the last five years. Location update of mobile clients is a fundamental capabil...
PVLDB
2010
13 years 9 months ago
2010
We demonstrate an efficient LINQ to SQL provider and its significant impact on the runtime performance of LINQ programs that process large data volumes. This alternative provider...
PVLDB
2010
13 years 9 months ago
2010
A Business Process (BP for short) consists of a set of activities that achieve some business goal when combined in a flow. Among all the (maybe infinitely many) possible executi...
PVLDB
2010
13 years 9 months ago
2010
Microsoft SQL Server spatial libraries contain several components that handle geometrical and geographical data types. With advances in geo-sensing technologies, there has been an...
PVLDB
2010
13 years 9 months ago
2010
Complex networks, such as biological, social, and communication networks, often entail uncertainty, and thus, can be modeled as probabilistic graphs. Similar to the problem of sim...
PVLDB
2010
13 years 9 months ago
2010
Mashups integrate a set of Web-services and data sources, often referred to as mashlets. We study in this paper a common scenario where these mashlets are components of larger Web...
PVLDB
2010
13 years 9 months ago
2010
This paper addresses the problem of explaining missing answers in queries that include selection, projection, join, union, aggregation and grouping (SPJUA). Explaining missing ans...
PVLDB
2010
13 years 9 months ago
2010
Applications typically have some local understanding of a database schema, a virtual database that may differ significantly from the actual schema of the data where it is stored...
PVLDB
2010
13 years 9 months ago
2010
Optimization of join queries based on average selectivities is suboptimal in highly correlated databases. In such databases, relations are naturally divided into partitions, each ...