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| Content Provider | Society for Industrial and Applied Mathematics (SIAM) |
|---|---|
| Author | Vitter, Jeffrey Scott Kenyon-Mathieu, Claire M. |
| Copyright Year | 1991 |
| Abstract | This paper develops two probabilistic methods that allow the analysis of the maximum data structure size encountered during a sequence of insertions and deletions in data structures such as priority queues, dictionaries, linear lists, and symbol tables, and in sweepline structures for geometry and Very-Large-Scale-Integration (VLSI) applications. The notion of the maximum is basic to issues of resource preallocation. The methods here are applied to combinatorial models of file histories and probabilistic models, as well as to a non-Markovian process (algorithm) for processing sweepline information in an efficient way, called hashing with lazy deletion (HwLD). Expressions are derived for the expected maximum data structure size that are asymptotically exact, that is, correct up to lower-order terms; in several cases of interest the expected value of the maximum size is asymptotically equal to the maximum expected size. This solves several open problems, including longstanding questions in queueing theory. Both of these approaches are robust and rely upon novel applications of techniques from the analysis of algorithms. At a high level, the first method isolates the primary contribution to the maximum and bounds the lesser effects. In the second technique the continuous-time probabilistic model is related to its discrete analogthe maximum slot occupancy in hashing. |
| Starting Page | 807 |
| Ending Page | 823 |
| Page Count | 17 |
| File Format | |
| ISSN | 00975397 |
| DOI | 10.1137/0220050 |
| e-ISSN | 10957111 |
| Journal | SIAM Journal on Computing (SMJCAT) |
| Issue Number | 5 |
| Volume Number | 20 |
| Language | English |
| Publisher | Society for Industrial and Applied Mathematics |
| Publisher Date | 2006-07-13 |
| Access Restriction | Subscribed |
| Subject Keyword | Markov process file histories queueing theory analysis of algorithms VLSI hashing computational geometry lazy deletion sweepline lists priority queues symbol tables maximum data structures occupancy distribution dictionaries |
| Content Type | Text |
| Resource Type | Article |
| Subject | Mathematics Computer Science |
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