Ling Liu, M. Tamer Özsu (Eds.):
Encyclopedia of Database Systems.
Springer US 2009, ISBN 978-0-387-35544-3,978-0-387-39940-9
U
- UCC-user created content, 466, 467, 469, 470
- Unbalanced hierarchy, 1308
- Uncertain event inference, 3221-3223
- Uncertainty, 1924
- Uncorrelated noise addition, 1911
- Undirected graphs, 1261
- Unicode, 3231-3232
- Unicode standard, 3231
- Unified Data Model (UDM), 3641
- Unified modeling language (UML), 1927, 3232-3239, 3371-3373, 3552
- Uniform resource identifier (URI), 2428-2429
- Unigram, 1910
- Union, 3239-3240
- Uniqueness constraint, 1587
- Universal decimal classification, 808
- Universal description, discovery and integration (UDDI), 854, 855, 857
- Universal models, 324, 327
- Universe, 1209-1210
- Unobservability, 2142, 2143, 2145
- Unrestricted implication problem, 1396
- Unsupervised learning, 1664
- Update anomaly, 1918, 1920
- Update semantics, 99
- Update through views problem, 3246
- Updates on the views, 2639, 2642
- Updates through Views, 3244-3247
- Upstream backup, 1110-1113
- Upward and downward inheritance, 142-143
- Upward compatibility, 2937
- Upward inheritance, 2911, 2912
- Usability, 955, 958, 3247-3251
- User-centered approach, 3247
- User defined functions (UDFs), 2831
- User-defined temporal periodicity, 3005
- User interface architecture, 1329, 1330
- User-level parallelism, 1566
- User model, 2100, 2102
- User profile(s), 2099, 2100, 2102
- User queries over XML views, 3657
- User-role assignment (URA97) model, 57
- User updates over XML views, 3657-3658
- Using parity and striping, 2359
- UTF-8 (a 8-bit, variable-width encoding), 3231
- UTF-16 (a 16-bit, variable-width encoding), 3231
- UUID, 2428-2429
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Copyright © Fri Mar 12 17:34:47 2010
by Michael Ley (ley@uni-trier.de)