More UofT DCS Seminars (week of Oct. 17th)

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#460

From: Phyllis Eve Bregman
Date: Mon, 17 Oct 1983 15:44

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			    **MORE**
	UofT Department of Computer Science Seminar Schedule for
		   the week of October 17th, 1983


Thursday, October 20th, 2:00 P.M., GB248:  Prof. Markuu Tamminen,
   Helsinki University of Technology, Laboratory of Information Processing
   Science, Helsinki, Finland:  "On search by address computation".

   ABSTRACT:  We study the effect of data distribution on the efficiency
   of address computation data structures for searching, as typified by
   the priority queue problem.  We present a comparison of several different
   techniques and show that, in contrast to sorting, neither one nor
   multilevel bucket methods are uniformly efficient for the above task.
   As a remedy we propose an enhancement of order preserving extendible
   hashing.  This structure is shown to behave asymptotically independently
   of the amount of data and its distribution.  From the one-dimensional
   analysis we draw conclusions regarding multi-attribute file structures.
-- 
		Phyllis Eve Bregman
		CSRG, Univ. of Toronto
		{decvax,linus,ihnp4,uw-beaver,floyd,utzoo}!utcsrgv!phyllis

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From: phyllis@utcsrgv.UUCP (Phyllis Eve Bregman)
Newsgroups: ont.events
Subject: More UofT DCS Seminars (week of Oct. 17th)
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Date: Mon, 17-Oct-83 11:44:55 EDT
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Posted: Mon Oct 17 11:44:55 1983
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