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WISE
2002
Springer
15 years 11 months ago
Querying Web Data - The WebQA Approach
The common paradigm of searching and retrieving information on the Web is based on keyword-based search using one or more search engines, and then browsing through the large numbe...
Sunny K. S. Lam, M. Tamer Özsu
ICDE
2009
IEEE
115views Database» more  ICDE 2009»
16 years 8 months ago
Efficient Evaluation of Multiple Preference Queries
Consider multiple users searching for a hotel room, based on size, cost, distance to the beach, etc. Users may have variable preferences expressed by different weights on the attri...
Leong Hou U, Nikos Mamoulis, Kyriakos Mouratidis
ICDE
2004
IEEE
105views Database» more  ICDE 2004»
16 years 8 months ago
SPINE: Putting Backbone into String Indexing
The indexing technique commonly used for long strings, such as genomes, is the suffix tree, which is based on a vertical (intra-path) compaction of the underlying trie structure. ...
Naresh Neelapala, Romil Mittal, Jayant R. Haritsa
GIS
2005
ACM
16 years 7 months ago
Shapes based trajectory queries for moving objects
An interesting issue in moving objects databases is to find similar trajectories of moving objects. Previous work on this topic focuses on movement patterns (trajectories with tim...
Bin Lin, Jianwen Su
166
Voted
SIGMOD
2004
ACM
188views Database» more  SIGMOD 2004»
16 years 6 months ago
Online Event-driven Subsequence Matching over Financial Data Streams
Subsequence similarity matching in time series databases is an important research area for many applications. This paper presents a new approximate approach for automatic online s...
Huanmei Wu, Betty Salzberg, Donghui Zhang