Article View: comp.lang.misc
Article #3378Re: CHALLENGE: heterogeneous collections
From: Markku Sakkinen
Date: Fri, 05 Apr 1991 05:24
Date: Fri, 05 Apr 1991 05:24
22 lines
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1462 bytes
In article <ERICCO.91Apr4095619@sdaf1.ssl.berkeley.edu> ericco@ssl.berkeley.edu (Eric C. Olson) writes:
> ...
>I read an interesting paper that included a discussion of
>heterogeneous objects in an object-oriented database.
>
>The basic idea was to resolve the class heirarchy as late as
>possible, but during query semantic checking. That is, given
>a heterogeneous set of objects to work on, is it legal to
>apply a particular method on all of the objects?
> ...
You probably mean "Type Consistency of Queries in an Object-Oriented
Database System" by Straube and Ozsu (O"zsu), OOPSLA/ECOOP'90.
Reply-To: sakkinen@jytko.jyu.fi (Markku Sakkinen)
Markku Sakkinen
Department of Computer Science and Information Systems
University of Jyvaskyla (a's with umlauts)
PL 35
SF-40351 Jyvaskyla (umlauts again)
Finland
SAKKINEN@FINJYU.bitnet (alternative network address)
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<CIMSHOP!DAVIDM.91Apr1224716@uunet.UU.NET> <1991Apr3.211414.25628@bony1.bony.com> <ERICCO.91Apr4095619@sdaf1.ssl.berkeley.edu>Show Full Headers
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!rpi!zaphod.mps.ohio-state.edu!usc!apple!fernwood!uupsi!sunic!news.funet.fi!jyu.fi!sakkinen From: sakkinen@jyu.fi (Markku Sakkinen) Newsgroups: comp.lang.misc,comp.object Subject: Re: CHALLENGE: heterogeneous collections Message-ID: <1991Apr5.052433.5271@jyu.fi> Date: 5 Apr 91 05:24:33 GMT References: <CIMSHOP!DAVIDM.91Apr1224716@uunet.UU.NET> <1991Apr3.211414.25628@bony1.bony.com> <ERICCO.91Apr4095619@sdaf1.ssl.berkeley.edu> Distribution: comp Organization: University of Jyvaskyla, Finland Lines: 22