158 search results - page 26 / 32 » Tales From a Pod |
PODS
2006
ACM
15 years 9 months ago
2006
ACM
Data exchange deals with inserting data from one database into another database having a different schema. We study and solve a central computational problem of data exchange, nam...
PODS
2006
ACM
15 years 9 months ago
2006
ACM
We study the randomized version of a computation model (introduced in [9, 10]) that restricts random access to external memory and internal memory space. Essentially, this model c...
PODS
2006
ACM
15 years 9 months ago
2006
ACM
Given a document D in the form of an unordered labeled tree, we study the expressibility on D of various fragments of XPath, the core navigational language on XML documents. We gi...
PODS
2006
ACM
15 years 9 months ago
2006
ACM
Query containment is a fundamental algorithmic problem in database query processing and optimization. Under set semantics, the query-containment problem for conjunctive queries ha...
PODS
2007
ACM
15 years 9 months ago
2007
ACM
The contingency table is a work horse of official statistics, the format of reported data for the US Census, Bureau of Labor Statistics, and the Internal Revenue Service. In many ...