Cheung, W.; Hsu, C.: ¬The model-assisted global query system for multiple databases in distributed enterprises (1996)
0.01
0.0052030715 = product of:
0.020812286 = sum of:
0.020812286 = weight(_text_:information in 7279) [ClassicSimilarity], result of:
0.020812286 = score(doc=7279,freq=6.0), product of:
0.08850355 = queryWeight, product of:
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.050415643 = queryNorm
0.23515764 = fieldWeight in 7279, product of:
2.4494898 = tf(freq=6.0), with freq of:
6.0 = termFreq=6.0
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.0546875 = fieldNorm(doc=7279)
0.25 = coord(1/4)
- Abstract
- Today's enterprises employ multiple information systems which are independently developed, locally administered, and are different in logical or physical design. To share information across organisational boundaries requires a global query system capable of providing online intelligent assistance to users. Conventional technologies such as schema based query languages and hard coded schema integration are insufficient. Develops a model assisted global query system using an online repository of enterprise metadata, the metadatabase, for global query formulation and processing with adaptiveness and open systems architecture. Presents a definition model for the metadata as a knowledge system. Analyzes the improvements of the new system in relation to the old. Tests a prototype system in a computer integrated manufacturing setting
- Source
- ACM transactions on information systems. 14(1996) no.4, S.421-470
