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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 8 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 7 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»
16 years 3 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 8 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
127
Voted
EDBT
2006
ACM
150views Database» more  EDBT 2006»
16 years 3 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