Sciweavers

2292 search results - page 362 / 459
» Structure preserving embedding
Sort
View
PODS
2004
ACM
120views Database» more  PODS 2004»
16 years 6 months ago
Locally Consistent Transformations and Query Answering in Data Exchange
Data exchange is the problem of taking data structured under a source schema and creating an instance of a target schema. Given a source instance, there may be many solutions ? ta...
Marcelo Arenas, Pablo Barceló, Ronald Fagin...
SPIRE
2009
Springer
16 years 27 days ago
On Entropy-Compressed Text Indexing in External Memory
A new trend in the field of pattern matching is to design indexing data structures which take space very close to that required by the indexed text (in entropy-compressed form) an...
Wing-Kai Hon, Rahul Shah, Sharma V. Thankachan, Je...
DBPL
1999
Springer
102views Database» more  DBPL 1999»
15 years 10 months ago
Union Types for Semistructured Data
Semistructured databases are treated as dynamically typed: they come equipped with no independent schema or type system to constrain the data. Query languages that are designed fo...
Peter Buneman, Benjamin C. Pierce
POPL
1997
ACM
15 years 10 months ago
Shape Types
Type systems currently available for imperative languages are too weak to detect a significant class of programming errors. For example, they cannot express the property that a l...
Pascal Fradet, Daniel Le Métayer
CIKM
1994
Springer
15 years 10 months ago
Analytical Version Control Management in a Hypertext System
may be saved for later reuse of material, but also to preserve the historical perspective of work done [ha:92]. In particular, in distributed and collaborative hypertext systems, v...
Antonina Dattolo, Antonio Gisolfi