Sciweavers

ICDE
2012
IEEE
191views Database» more  ICDE 2012»
11 years 6 months ago
DESKS: Direction-Aware Spatial Keyword Search
— Location-based services (LBS) have been widely accepted by mobile users. Many LBS users have direction-aware search requirement that answers must be in a search direction. Howe...
Guoliang Li, Jianhua Feng, Jing Xu
ICDE
2012
IEEE
191views Database» more  ICDE 2012»
11 years 6 months ago
Processing and Notifying Range Top-k Subscriptions
— We consider how to support a large number of users over a wide-area network whose interests are characterized by range top-k continuous queries. Given an object update, we need...
Albert Yu, Pankaj K. Agarwal, Jun Yang 0001
ICDE
2012
IEEE
343views Database» more  ICDE 2012»
11 years 6 months ago
Bi-level Locality Sensitive Hashing for k-Nearest Neighbor Computation
We present a new Bi-level LSH algorithm to perform approximate k-nearest neighbor search in high dimensional spaces. Our formulation is based on a two-level scheme. In the first ...
Jia Pan, Dinesh Manocha
ICDE
2012
IEEE
233views Database» more  ICDE 2012»
11 years 6 months ago
Accuracy-Aware Uncertain Stream Databases
Abstract— Previous work has introduced probability distributions as first-class components in uncertain stream database systems. A lacking element is the fact of how accurate the...
Tingjian Ge, Fujun Liu
ICDE
2012
IEEE
267views Database» more  ICDE 2012»
11 years 6 months ago
Scalable and Numerically Stable Descriptive Statistics in SystemML
—With the exponential growth in the amount of data that is being generated in recent years, there is a pressing need for applying machine learning algorithms to large data sets. ...
Yuanyuan Tian, Shirish Tatikonda, Berthold Reinwal...
ICDE
2012
IEEE
252views Database» more  ICDE 2012»
11 years 6 months ago
Approximate String Membership Checking: A Multiple Filter, Optimization-Based Approach
— We consider the approximate string membership checking (ASMC) problem of extracting all the strings or substrings in a document that approximately match some string in a given ...
Chong Sun, Jeffrey F. Naughton, Siddharth Barman
ICDE
2012
IEEE
304views Database» more  ICDE 2012»
11 years 6 months ago
Learning-based Query Performance Modeling and Prediction
— Accurate query performance prediction (QPP) is central to effective resource management, query optimization and query scheduling. Analytical cost models, used in current genera...
Mert Akdere, Ugur Çetintemel, Matteo Rionda...
ICDE
2012
IEEE
237views Database» more  ICDE 2012»
11 years 6 months ago
On Discovery of Traveling Companions from Streaming Trajectories
— The advance of object tracking technologies leads to huge volumes of spatio-temporal data collected in the form of trajectory data stream. In this study, we investigate the pro...
Lu An Tang, Yu Zheng, Jing Yuan, Jiawei Han, Alice...
ICDE
2012
IEEE
227views Database» more  ICDE 2012»
11 years 6 months ago
Horizontal Reduction: Instance-Level Dimensionality Reduction for Similarity Search in Large Document Databases
—Dimensionality reduction is essential in text mining since the dimensionality of text documents could easily reach several tens of thousands. Most recent efforts on dimensionali...
Min-Soo Kim 0001, Kyu-Young Whang, Yang-Sae Moon
ICDE
2012
IEEE
277views Database» more  ICDE 2012»
11 years 6 months ago
Aggregate Query Answering on Possibilistic Data with Cardinality Constraints
— Uncertainties in data arise for a number of reasons: when the data set is incomplete, contains conflicting information or has been deliberately perturbed or coarsened to remov...
Graham Cormode, Divesh Srivastava, Entong Shen, Ti...