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SIGMOD
2004
ACM
111views Database» more  SIGMOD 2004»
14 years 7 months ago
Spatial, Temporal and Spatio-Temporal Databases - Hot Issues and Directions for PhD Research
Spatial and temporal database systems, both in theory and in practice, have developed dramatically over the past two decades to the point where usable commercial systems, underpin...
John F. Roddick, Max J. Egenhofer, Erik G. Hoel, D...
SIGMOD
2003
ACM
190views Database» more  SIGMOD 2003»
14 years 26 days ago
Extracting Structured Data from Web Pages
Many web sites contain large sets of pages generated using a common template or layout. For example, Amazon lays out the author, title, comments, etc. in the same way in all its b...
Arvind Arasu, Hector Garcia-Molina
SIGMOD
2003
ACM
129views Database» more  SIGMOD 2003»
14 years 7 months ago
On Schema Matching with Opaque Column Names and Data Values
Most previous solutions to the schema matching problem rely in some fashion upon identifying "similar" column names in the schemas to be matched, or by recognizing commo...
Jaewoo Kang, Jeffrey F. Naughton
SIGMOD
2003
ACM
161views Database» more  SIGMOD 2003»
14 years 7 months ago
Approximate Join Processing Over Data Streams
We consider the problem of approximating sliding window joins over data streams in a data stream processing system with limited resources. In our model, we deal with resource cons...
Abhinandan Das, Johannes Gehrke, Mirek Riedewald
SIGMOD
2003
ACM
111views Database» more  SIGMOD 2003»
14 years 7 months ago
Extended Wavelets for Multiple Measures
While work in recent years has demonstrated that wavelets can be efficiently used to compress large quantities of data and provide fast and fairly accurate answers to queries, lit...
Antonios Deligiannakis, Nick Roussopoulos