73 search results - page 13 / 15 » Relational concept discovery in structured datasets |
WWW
2007
ACM
14 years 10 months ago
2007
ACM
Recent work on ontology-based Information Extraction (IE) has tried to make use of knowledge from the target ontology in order to improve semantic annotation results. However, ver...
KDD
2007
ACM
14 years 10 months ago
2007
ACM
We present DL8, an exact algorithm for finding a decision tree that optimizes a ranking function under size, depth, accuracy and leaf constraints. Because the discovery of optimal...
WWW
2001
ACM
14 years 10 months ago
2001
ACM
The enormous growth of the world wide web in recent years has made it important to perform resource discovery e ciently. Consequently, several new ideas have been proposed in rece...
VLDB
2007
ACM
14 years 3 months ago
2007
ACM
Real-world datasets exhibit a complex dependency structure among the data attributes. Learning this structure is a key task in automatic statistics configuration for query optimi...
ICDE
2010
IEEE
13 years 7 months ago
2010
IEEE
Linked open data (LOD), as provided by a quickly growing number of sources constitutes a wealth of easily accessible information. However, this data is not easy to understand. It i...