342 search results - page 50 / 69 » Conjunctive Queries over Trees |
SIGMOD
1997
ACM
14 years 1 days ago
1997
ACM
A range query applies an aggregation operation over all selected cells of an OLAP data cube where the selection is speci ed by providing ranges of values for numeric dimensions. W...
SIGMOD
2002
ACM
14 years 8 months ago
2002
ACM
In this paper, we ask if the traditional relational query acceleration techniques of summary tables and covering indexes have analogs for branching path expression queries over tr...
WIDM
2005
ACM
14 years 1 months ago
2005
ACM
In XML retrieval, two distinct approaches have been established and pursued without much cross-fertilization taking place so far. On the one hand, native XML databases tailored to...
CLEAR
2007
Springer
14 years 2 months ago
2007
Springer
The paper describes the IBM systems submitted to the NIST Rich Transcription 2007 (RT07) evaluation campaign for the speechto-text (STT) and speaker-attributed speech-to-text (SAST...
CVPR
1998
IEEE
14 years 10 months ago
1998
IEEE
A method is presented for e cient and reliable object recognition within noisy, cluttered, and occluded range images. The method is based on a strategy which hypothesizes the inte...