42 search results - page 2 / 9 » A unified approach to ranking in probabilistic databases |
SIGMOD
2008
ACM
14 years 5 months ago
2008
ACM
Uncertain data is inherent in a few important applications such as environmental surveillance and mobile object tracking. Top-k queries (also known as ranking queries) are often n...
VLDB
1990
ACM
13 years 9 months ago
1990
ACM
A probabilistic learning model for vague queries and missing or imprecise information in databases is described. Instead of retrieving only a set of answers, our approach yields a...
DASFAA
2009
IEEE
13 years 11 months ago
2009
IEEE
Abstract. In many application domains, e.g. sensor databases, traffic management or recognition systems, objects have to be compared based on positionally and existentially uncert...
DAWAK
2004
Springer
13 years 10 months ago
2004
Springer
Abstract. Most of the research in data mining has been focused on developing novel algorithms for specific data mining tasks. However, finding the theoretical foundations of data...
WWW
2008
ACM
14 years 5 months ago
2008
ACM
This paper studies the problem of unified ranked retrieval of heterogeneous XML documents and Web data. We propose an effective search engine called Sailer to adaptively and versa...