Sciweavers

3020 search results - page 207 / 604
» Similarity Queries on Structured Data in Structured Overlays
Sort
View
ICAPR
2009
Springer
16 years 1 months ago
Hierarchical Local Maps for Robust Approximate Nearest Neighbor Computation
In this paper, we propose a novel method for fast nearest neighbors retrieval in non-Euclidean and non-metric spaces. We organize the data into a hierarchical fashion that preserv...
Pratyush Bhatt, Anoop M. Namboodiri
ADC
2007
Springer
145views Database» more  ADC 2007»
16 years 26 days ago
The Privacy of k-NN Retrieval for Horizontal Partitioned Data -- New Methods and Applications
Recently, privacy issues have become important in clustering analysis, especially when data is horizontally partitioned over several parties. Associative queries are the core retr...
Artak Amirbekyan, Vladimir Estivill-Castro
AMW
2009
15 years 7 months ago
Consistent Query Answering in Data Warehouses
Abstract. A Data Warehouse (DW) is a data repository that organizes and physically integrates data from multiple sources under special kinds of schemas. A DW is composed by a set o...
Leopoldo E. Bertossi, Loreto Bravo, Mónica ...
CIKM
2007
Springer
16 years 25 days ago
Towards practically feasible answering of regular path queries in lav data integration
Regular path queries (RPQ’s) are given by means of regular expressions and ask for matching patterns on labeled graphs. RPQ’s have received great attention in the context of s...
Manuel Tamashiro, Alex Thomo, Srinivasan Venkatesh
VLDB
2007
ACM
229views Database» more  VLDB 2007»
16 years 23 days ago
Sum-Max Monotonic Ranked Joins for Evaluating Top-K Twig Queries on Weighted Data Graphs
In many applications, the underlying data (the web, an XML document, or a relational database) can be seen as a graph. These graphs may be enriched with weights, associated with t...
Yan Qi 0002, K. Selçuk Candan, Maria Luisa ...