443 search results - page 53 / 89 » Quasi-inverses of schema mappings |
PEPM
2009
ACM
14 years 4 months ago
2009
ACM
Abstract. This paper presents techniques and tools to transform spreadsheets into relational databases and back. A set of data refinement rules is introduced to map a tabular data...
DEXA
2009
Springer
14 years 2 months ago
2009
Springer
SPARQL is today the standard access language for Semantic Web data. In the recent years XML databases have also acquired industrial importance due to the widespread applicability o...
COMPSAC
2003
IEEE
14 years 27 days ago
2003
IEEE
Extracting data from Web pages using wrappers is a fundamental problem arising in a large variety of applications of vast practical interest. In this paper, we propose a novel sch...
JODS
2007
13 years 7 months ago
2007
We view match as an operator that takes two graph-like structures (e.g., classifications, XML schemas) and produces a mapping between the nodes of these graphs that correspond sema...
EDBT
2012
ACM
11 years 10 months ago
2012
ACM
MapReduce has emerged as a promising architecture for large scale data analytics on commodity clusters. The rapid adoption of Hive, a SQL-like data processing language on Hadoop (...