Sciweavers

331 search results - page 52 / 67
» The Plaited Structure of Time in Information Technology
Sort
View
DOLAP
2003
ACM
15 years 4 months ago
Hierarchical dwarfs for the rollup cube
The data cube operator exemplifies two of the most important aspects of OLAP queries: aggregation and dimension hierarchies. In earlier work we presented Dwarf, a highly compress...
Yannis Sismanis, Antonios Deligiannakis, Yannis Ko...
CIKM
2008
Springer
15 years 1 months ago
Dynamic faceted search for discovery-driven analysis
We propose a dynamic faceted search system for discoverydriven analysis on data with both textual content and structured attributes. From a keyword query, we want to dynamically s...
Debabrata Dash, Jun Rao, Nimrod Megiddo, Anastasia...
ISWC
1998
IEEE
15 years 3 months ago
Development of a Commercially Successful Wearable Data Collection System
Symbol Technologies has completed a unique accomplishment; it has created a commercially successful Wearable Computer. The success of this product is directly due to a structured ...
Robert Stein, Stephen Ferrero, Margaret Hetfield, ...
WWW
2006
ACM
16 years 9 days ago
Optimizing scoring functions and indexes for proximity search in type-annotated corpora
We introduce a new, powerful class of text proximity queries: find an instance of a given "answer type" (person, place, distance) near "selector" tokens matchi...
Soumen Chakrabarti, Kriti Puniyani, Sujatha Das
WWW
2005
ACM
16 years 9 days ago
Web data extraction based on partial tree alignment
This paper studies the problem of extracting data from a Web page that contains several structured data records. The objective is to segment these data records, extract data items...
Yanhong Zhai, Bing Liu