Very Computer

1. Summary of Schema Evolution Support in OODBs

I am in the process of updating my survey of Schema Evolution support
for OODBs (last posted here May 1991) and am soliciting information
about all publicly available (research or commercial) OODB and
extended relations systems, or systems that have appeared in the
academic literature.

o   I have up-to-date information about the following systems:

        POSTGRES
        COOL/COCOON
        Macchiavelli
        O_2
        Statice (Symbolics)
        Versant
        Objectivity/DB
        CLOSQL [Monk & Sommerville, BNCOD 10]
        OTGen [Lerner, OOPSLA90]
        ENCORE [Skarra & Zdonik, OOPSLA 86]
        AVANCE [Bjornerstedt & Hulten]
        Pick

o   I have 1 year-old information about the following systems:
    (need notification of recent changes)

        ConceptBase
        CLOS (various implementations)
        Object Design
        Ontos (Ontologic)
        IDL
        IRIS (HP research system)

o   I have book knowledge (ie. academic journals/conferences) of the
    following systems:
    (updates about current situation requested)

        ORION (now ITASCA)
        E/EXODUS
        GemStone

o   I have no information about the following systems:

        OPEN OODBMS
        STONE
        Kala
        <any other system or ongoing research project that I have left out>

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Carnegie Mellon University              Phone:       +1 412 268 2145
5000 Forbes Avenue                      Fax:         +1 412 268 5739
Pittsburgh, PA 15213-3891, USA

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