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» Using Queries to Improve Database Reverse Engineering
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GW
2003
Springer
150views Biometrics» more  GW 2003»
15 years 3 months ago
Database Indexing Methods for 3D Hand Pose Estimation
Abstract. Estimation of 3D hand pose is useful in many gesture recognition applications, ranging from human-computer interaction to automated recognition of sign languages. In this...
Vassilis Athitsos, Stan Sclaroff
VLDB
1998
ACM
121views Database» more  VLDB 1998»
15 years 2 months ago
Hash Joins and Hash Teams in Microsoft SQL Server
The query execution engine in Microsoft SQL Server employs hash-based algorithms for inner and outer joins, semi-joins, set operations (such as intersection), grouping, and duplic...
Goetz Graefe, Ross Bunker, Shaun Cooper
SIGMOD
2007
ACM
112views Database» more  SIGMOD 2007»
15 years 10 months ago
A random walk approach to sampling hidden databases
A large part of the data on the World Wide Web is hidden behind form-like interfaces. These interfaces interact with a hidden backend database to provide answers to user queries. ...
Arjun Dasgupta, Gautam Das, Heikki Mannila
ICALP
2005
Springer
15 years 3 months ago
Improved Lower Bounds for Locally Decodable Codes and Private Information Retrieval
We prove new lower bounds for locally decodable codes and private information retrieval. We show that a 2-query LDC encoding nbit strings over an ℓ-bit alphabet, where the decode...
Stephanie Wehner, Ronald de Wolf
EDBT
2006
ACM
150views Database» more  EDBT 2006»
15 years 10 months ago
Improving the Efficiency of XPath Execution on Relational Systems
: This work describes a method for processing XPath on a relational back-end that significantly limits the number of SQL joins required, takes advantage of the strengths of modern ...
Haris Georgiadis, Vasilis Vassalos