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SMC
2007
IEEE
14 years 1 months ago
Sense based organization of descriptive data
— In this paper we propose a new technique allowing to map descriptive data into relative distance space, which is based primarily on senses of the terms stored in our data. We u...
M. Shahriar Hossain, Monika Akbar, Rafal A. Angryk
TDM
2004
203views Database» more  TDM 2004»
13 years 9 months ago
Relational Algebra: Mother Tongue - XQuery: Fluent
This work may be seen as a further proof of the versatility of the relational database model. Here, we add XQuery to the catalog of languages which RDBMSs are able to "speak&...
Torsten Grust, Jens Teubner
SIGMOD
1997
ACM
172views Database» more  SIGMOD 1997»
13 years 11 months ago
An Array-Based Algorithm for Simultaneous Multidimensional Aggregates
Computing multiple related group-bys and aggregates is one of the core operations of On-Line Analytical Processing (OLAP) applications. Recently, Gray et al. [GBLP95] proposed the...
Yihong Zhao, Prasad Deshpande, Jeffrey F. Naughton
ICDE
2004
IEEE
137views Database» more  ICDE 2004»
14 years 9 months ago
Selectivity Estimation for XML Twigs
Twig queries represent the building blocks of declarative query languages over XML data. A twig query describes a complex traversal of the document graph and generates a set of el...
Neoklis Polyzotis, Minos N. Garofalakis, Yannis E....
WEBDB
2010
Springer
152views Database» more  WEBDB 2010»
14 years 18 days ago
Reconciling two models of multihierarchical markup
For documents with complex or atypical annotations, multihierarchical structures play the role of the document tree in traditional XML documents. We define a model of overlapping...
Neil Moore