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DAWAK
2005
Springer
14 years 1 months ago
Graph-Based Modeling of ETL Activities with Multi-level Transformations and Updates
Extract-Transform-Load (ETL) workflows are data centric workflows responsible for transferring, cleaning, and loading data from their respective sources to the warehouse. Previous ...
Alkis Simitsis, Panos Vassiliadis, Manolis Terrovi...
IROS
2009
IEEE
129views Robotics» more  IROS 2009»
14 years 2 months ago
Lane boundary and curb estimation with lateral uncertainties
— This paper describes an algorithm for estimating lane boundaries and curbs from a moving vehicle using noisy observations and a probabilistic model of curvature. The primary co...
Albert S. Huang, Seth J. Teller
WWW
2008
ACM
14 years 8 months ago
Modeling anchor text and classifying queries to enhance web document retrieval
Several types of queries are widely used on the World Wide Web and the expected retrieval method can vary depending on the query type. We propose a method for classifying queries ...
Atsushi Fujii
DOOD
1997
Springer
163views Database» more  DOOD 1997»
13 years 11 months ago
On a Declarative Semantics for Web Queries
With the increasing importance of the World Wide Web as an information source, there is a growing interest for integration of Web and database technology. Several Web query languag...
Rainer Himmeröder, Georg Lausen, Bertram Lud&...
RECSYS
2009
ACM
14 years 2 months ago
Improving rating estimation in recommender systems using aggregation- and variance-based hierarchical models
Previous work on using external aggregate rating information showed that this information can be incorporated in several different types of recommender systems and improves their...
Akhmed Umyarov, Alexander Tuzhilin