ICDE
2010
IEEE
14 years 4 months ago
2010
IEEE
Keyword search is considered to be an effective information discovery method for both structured and semistructured data. In XML keyword search, query semantics is based on the con...
ICDE
2010
IEEE
14 years 4 months ago
2010
IEEE
A large fraction of an XML document typically consists of text data. The XPath query language allows text search via the equal, contains, and starts-with predicates. Such predicate...
ICDE
2010
IEEE
14 years 4 months ago
2010
IEEE
A fundamental problem in XML query processing is tree pattern query (TPQ) matching which computes all data instances in an XML database that match an input TPQ. There is a lot of r...
ICDE
2010
IEEE
14 years 4 months ago
2010
IEEE
In this article we propose a new hashing framework for tree-structured data. Our method maps an unordered tree into a multiset of simple wedge-shaped structures refered to as pivot...
ICDE
2010
IEEE
14 years 4 months ago
2010
IEEE
Abstract-- We consider the Top-k Approximate Subtree Matching (TASM) problem: finding the k best matches of a small query tree, e.g., a DBLP article with 15 nodes, in a large docum...
ICDE
2010
IEEE
14 years 4 months ago
2010
IEEE
Abstract--In curated databases, annotations may contain opinions different from those in sources. Moreover, annotations may contradict each other and have uncertainty. Such situati...
ICDE
2010
IEEE
14 years 4 months ago
2010
IEEE
An ever-increasing amount of data and semantic knowledge in the domain of life sciences is bringing about new data management challenges. In this paper we focus on adding the seman...
ICDE
2010
IEEE
14 years 4 months ago
2010
IEEE
Abstract-- This work presents a novel index structure, MHRtree, for efficiently answering approximate string match queries in large spatial databases. The MHR-tree is based on the ...
ICDE
2010
IEEE
14 years 4 months ago
2010
IEEE
Research on spatial network databases has so far considered that there is a single cost value associated with each road segment of the network. In most real-world situations, howev...
ICDE
2010
IEEE
14 years 4 months ago
2010
IEEE
Given a positive value r, a circular range query returns the objects that lie within the distance r of the query location. In this paper, we study the circular range queries that c...