[comp.databases] NL systems

sxl@edsdrd.eds.com (Sanggoo Lee) (04/17/91)

This is a summary of information that I gathered on natural
language products that are database application oriented.
It is in no way meant to be extensive or exhaustive.  Descriptions
of some systems have never been verified with the actual developer.

Type of entries
---------------
C : Commercial system (Mostly for sale, but some are for internal use)
NC: NonCommercial system  (Public domain or available under license
						   with not-for-profit fees)
B: Book


==== N L   S Y S T E M S ===

-------------------------------------------------------------------
Name/Organization    Type   Comments
-------------------------------------------------------------------
Intellect            C      NL DB interface.  Has been around for
AI Corp, Watham, MA         a while so runs against bunch of DBMSs.

EasyTalk             C      NL DB interface.  Refer to book by Steve
Intelligent Bus. Sys        Schwartz.
New Haven, CT

Natural Language     C      NL DB interface.  Runs on Rdb, Ingres,
Natural Language Inc.       Oracle, Sybase, Informix, Sharebase.
Berkeley, CA   (415) 841-3500

Q & A                C      Based on LIFER technology.
SYMANTEC Corp.
Cupertino, CA  (408) 253-9600

Parlance             C      NL DB interface.
BBN, Cambridge, MA          Probably based/improved/etc on LUNAR and 
(617) 873-5412              IRUS.

Bibliographic        C      Possible to adapt to English.
enquiries in NL (French)    Some other NL projects are currently
CAP GEMINI INNOVATION       under way at CAP GEMINI.
Paris, France
+33 (1) 40 54 66 25

Penman               NC     English sentence/paragraph generator from
USC/ISI, Marina del Rey,    input specifications of non-linguistic
CA (213) 822-1511           kind.

TEAM                 NC     NL DB interface.  SRI has a long list of
SRI International,          NL systems, some of which make up TEAM.
Menlo Park, CA              Only a few are listed here.
(415) 326-6200

CL-PATR              NC     A portable NL grammar development env.
SRI International

Dialogic             NC     A system for syntactic analysis and 
SRI International           semantic translation of English sentences.

ShopTalk             NC     A NL/Graphical Interface.
SRI International

CLE                  NC     Core Language Engine.  
SRI International

LIFER                NC     NL interface building tool.  No longer
SRI International           supported (nor exists, maybe).

FrameKit             NC     A frame-based knowledge-representation
Carnegie Mellon U.          system with multiple inheritance, a
Pittsburgh, PA              viewpoint mechanism,  etc.

RuleKit              NC     The next generation rule-based system
Carnegie Mellon U.          after OPS5.

XCALIBUR             NC     NL interface to Digital's XSEL expert sys.
Carnegie Mellon U.

TOMITA               NC     Not sure whether this is a parsing tool
Carnegie Mellon U.          based on the parsing algorithm by Tomita.

Natural Language     B      Haven't checked the book myself, but a
Processing: A computer      netter recommends it.
grammar of English and
its application, by Naomi Sager
Addison-Wesley

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Much thanks to the following contributers;

David Grossman (grossman@eola.cs.ucf.edu)
Eduard Hovy (hovy@venera.isi.edu)
Sriram .... (sriram@ATHENA.MIT.EDU)
David Masterson (davidm@cimshop)
Eric Bilange (bilange.capsogeti.fr)
Eli Gur (gurel@bimacs.bitnet)
Madeleine Bates (bates@bbn.com)
Robert Moore (bmoore@ai.sri.com)
Stephen Pulman (sgp@cam.sri.com)
Jung Kim (kim@phoenix.ils.nwu.edu)
Radha Rao (rdr@nl.cs.cmu.edu)