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» The LIFEdb database in 2006
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AAAI
2006
15 years 7 months ago
Automatic Wrapper Generation Using Tree Matching and Partial Tree Alignment
This paper is concerned with the problem of structured data extraction from Web pages. The objective of the research is to automatically segment data records in a page, extract da...
Yanhong Zhai, Bing Liu
AAAI
2006
15 years 7 months ago
A Direct Evolutionary Feature Extraction Algorithm for Classifying High Dimensional Data
Among various feature extraction algorithms, those based on genetic algorithms are promising owing to their potential parallelizability and possible applications in large scale an...
Qijun Zhao, David Zhang, Hongtao Lu
ACL
2006
15 years 7 months ago
A Grammatical Approach to Understanding Textual Tables Using Two-Dimensional SCFGs
We present an elegant and extensible model that is capable of providing semantic interpretations for an unusually wide range of textual tables in documents. Unlike the few existin...
Dekai Wu, Ken Wing Kuen Lee
AIA
2006
15 years 7 months ago
Efficient Algorithm for Calculating Similarity between Trajectories Containing an Increasing Dimension
Time series data is usually stored and processed in the form of discrete trajectories of multidimensional measurement points. In order to compare the measurements of a query traje...
Perttu Laurinen, Pekka Siirtola, Juha Röning
APCCM
2006
15 years 7 months ago
A conceptual solution for representing time in data warehouse dimensions
Data Warehouses (DWs) use an omnipresent time dimension for keeping track of changes in measure values. However, this dimension cannot be used to model changes in other dimensions...
Elzbieta Malinowski, Esteban Zimányi