ACM Transactions on Database Systems (March) by Gio (Editor) Wiederhold

By Gio (Editor) Wiederhold

Show description

Read or Download ACM Transactions on Database Systems (March) PDF

Similar organization and data processing books

Semantic models for multimedia database searching and browsing

Semantic types for Multimedia Database looking out and skimming starts off with the advent of multimedia info functions, the necessity for the improvement of the multimedia database administration platforms (MDBMSs), and the real concerns and demanding situations of multimedia structures. The temporal kinfolk, the spatial relatives, the spatio-temporal family, and a number of other semantic types for multimedia info structures also are brought.

Advanced Methods for Knowledge Discovery from Complex Data Ed

This ebook brings jointly study articles through lively practitioners and prime researchers reporting fresh advances within the box of information discovery.
An review of the sphere, taking a look at the problems and demanding situations concerned is through assurance of modern developments in info mining. this gives the context for the next chapters on equipment and functions. half I is dedicated to the principles of mining forms of complicated facts like bushes, graphs, hyperlinks and sequences. an information discovery strategy in keeping with challenge decomposition is usually defined. half II provides vital functions of complicated mining strategies to info in unconventional and intricate domain names, resembling existence sciences, world-wide net, snapshot databases, cyber defense and sensor networks.
With an excellent stability of introductory fabric at the wisdom discovery strategy, complex matters and state of the art instruments and strategies, this publication should be worthy to scholars at Masters and PhD point in computing device technology, in addition to practitioners within the box.

Database Support for Data Mining Applications: Discovering Knowledge with Inductive Queries

Facts mining from conventional relational databases in addition to from non-traditional ones resembling semi-structured info, net info, and clinical databases housing organic, linguistic, and sensor info has lately turn into a well-liked method of gaining knowledge of hidden wisdom. This ebook on database help for information mining is built to techniques exploiting the on hand database know-how, declarative info mining, clever querying, and linked concerns, resembling optimization, indexing, question processing, languages, and constraints.

Additional info for ACM Transactions on Database Systems (March)

Sample text

In order to obtain the final skyline, we need to remove those points that are dominated by some point in other partitions. Obviously all points in the skyline of s3 must appear in the final skyline, while those in s2 ACM Transactions on Database Systems, Vol. 30, No. 1, March 2005. Progressive Skyline Computation in Database Systems • 45 are discarded immediately because they are dominated by any point in s3 (in fact s2 needs to be considered only if s3 is empty). Each skyline point in s1 is compared only with points in s3 , because no point in s2 or s4 can dominate those in s1 .

A problem of BNL is that the list may become larger than the main memory. When this happens, all points falling in the third case (cases (i) and (ii) do not increase the list size) are added to a temporary file. This fact necessitates multiple passes of BNL. In particular, after the algorithm finishes scanning the data file, only points that were inserted in the list before the creation of the temporary file are guaranteed to be in the skyline and are output. The remaining points must be compared against the ones in the temporary file.

In Proceedings of ACM PODS. 413–424. MAKOTO, M. 2001. RELAX (Regular Language description for XML). ISO/IEC Tech. Rep. ISO/IEC, Geneva, Switzerland. , AND VIANU, V. 2000. Typechecking for XML transformers. In Proceedings of ACM PODS. 11–22. MITCHELL, J. C. 1990. Type systems for programming languages. In Handbook of Theoretical Computer Science: Volume B: Formal Models and Semantics, J. van Leeuwen, Ed. Elsevier, Amsterdam, The Netherlands, 365–458. ACM Transactions on Database Systems, Vol. 30, No.

Download PDF sample

Rated 4.21 of 5 – based on 25 votes