1180 search results - page 122 / 236 » A Logical Data Model for Integrated Geographical Databases |
140
click to vote
IPM
2006
15 years 4 months ago
2006
Both structured and unstructured data, as well as structured data representing several different types of tuples, may be integrated into a single list for browsing or retrieval. D...
152
click to vote
PKDD
2009
Springer
15 years 11 months ago
2009
Springer
Abstract. We propose a learning approach for integrating formal knowledge into statistical inference by exploiting ontologies as a semantically rich and fully formal representation...
160
click to vote
GIS
2002
ACM
15 years 4 months ago
2002
ACM
Clustering is one of the most important tasks for geographic knowledge discovery. However, existing clustering methods have two severe drawbacks for this purpose. First, spatial c...
154
click to vote
VLDB
1998
ACM
15 years 8 months ago
1998
ACM
Semistructured data is not strictly typed like relational or object-oriented data and may be irregular or incomplete. It often arises in practice, e.g., when heterogeneous data so...
131
click to vote
PODS
2006
ACM
16 years 4 months ago
2006
ACM
Given that most elementary problems in database design are NP-hard, the currently used database design algorithms produce suboptimal results. For example, the current 3NF decompos...