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ICDE
2012
IEEE
251views Database» more  ICDE 2012»
12 years 1 months ago
Earlybird: Real-Time Search at Twitter
— The web today is increasingly characterized by social and real-time signals, which we believe represent two frontiers in information retrieval. In this paper, we present Earlyb...
Michael Busch, Krishna Gade, Brian Larson, Patrick...
DEXA
2010
Springer
230views Database» more  DEXA 2010»
13 years 8 months ago
Hybrid Indexing and Seamless Ranking of Spatial and Textual Features of Web Documents
Abstract. There is a significant commercial and research interest in locationbased web search engines. Given a number of search keywords and one or more locations that a user is in...
Ali Khodaei, Cyrus Shahabi, Chen Li
KAIS
2000
87views more  KAIS 2000»
13 years 11 months ago
An Index Structure for Data Mining and Clustering
Abstract. In this paper we present an index structure, called MetricMap, that takes a set of objects and a distance metric and then maps those objects to a k-dimensional space in s...
Xiong Wang, Jason Tsong-Li Wang, King-Ip Lin, Denn...
JIIS
2000
111views more  JIIS 2000»
13 years 11 months ago
Multidimensional Index Structures in Relational Databases
Abstract. Efficient query processing is one of the basic needs for data mining algorithms. Clustering algorithms, association rule mining algorithms and OLAP tools all rely on effi...
Christian Böhm, Stefan Berchtold, Hans-Peter ...
ECRA
2006
90views more  ECRA 2006»
13 years 11 months ago
Efficient indexing technique for XML-based electronic product catalogs
Electronic product catalogs are considered as one of the main components of e-commerce applications. Efficient processing of queries on product catalogs is important for customer ...
Arzucan Özgür, Taflan I. Gündem
ECIR
2006
Springer
14 years 25 days ago
Efficient Phrase Querying with Common Phrase Index
Abstract. In this paper, we propose a common phrase index as an efficient index structure to support phrase queries in a very large text database. Our structure is an extension of ...
Matthew Chang, Chung Keung Poon
CIKM
2005
Springer
14 years 1 months ago
Handling frequent updates of moving objects
A critical issue in moving object databases is to develop appropriate indexing structures for continuously moving object locations so that queries can still be performed efficien...
Bin Lin, Jianwen Su
EDBT
2000
ACM
14 years 3 months ago
Slim-Trees: High Performance Metric Trees Minimizing Overlap Between Nodes
In this paper we present the Slim-tree, a dynamic tree for organizing metric datasets in pages of fixed size. The Slim-tree uses the "fat-factor" which provides a simple ...
Caetano Traina Jr., Agma J. M. Traina, Bernhard Se...
EDBT
2006
ACM
154views Database» more  EDBT 2006»
14 years 3 months ago
Approximation Techniques to Enable Dimensionality Reduction for Voronoi-Based Nearest Neighbor Search
Utilizing spatial index structures on secondary memory for nearest neighbor search in high-dimensional data spaces has been the subject of much research. With the potential to host...
Christoph Brochhaus, Marc Wichterich, Thomas Seidl
DASFAA
2004
IEEE
169views Database» more  DASFAA 2004»
14 years 3 months ago
Statistic Driven Acceleration of Object-Relational Space-Partitioning Index Structures
Relational index structures, as for instance the Relational Interval Tree or the Linear Quadtree, support efficient processing of queries on top of existing object-relational datab...
Hans-Peter Kriegel, Peter Kunath, Martin Pfeifle, ...