I would like to find freely available citation analysis software for
non-commercial use.  Specifically, I'd like to have access to the NEC
code that is used on CiteSeer.com where at the following url is posted
a message reading:

"Freely available: Our implementation of ACI (Autonomous Citation
Indexing) is available at no cost for non-commercial use. Several
orgnizations have requested the software and expressed interest in
providing an index within their domain, or in using ACI within their
own digital libraries."
http://www.neci.nec.com/~lawrence/aci.html

However, I can't find a pointer to where I can download the code and
my attempts to get an answer by sending email to the site
administrators have led to no result.  Can you find place where I can
access this software?  Can you find other examples of fully executable
citation analysis code?  Thanks!

Perhaps it might be worth trying to contact Steve Lawrence directly,
since he developed the software.  His email address at NEC is
lawrence@necmail.com

As I said in my question: "my attempts to get an answer by sending
email to the site
administrators have led to no result."

Curiously, I've learned that Steve Lawrence no longer works at NEC and
now works at . . . Google!

In addition to Steve Lawrence, we should also acknowledge his
coauthors C. Lee Giles and Kurt Bollacker:

C.L. Giles, K. Bollacker, S. Lawrence, CiteSeer: An Automatic Citation
Indexing System, DL'98 Digital Libraries, 3rd ACM Conference on
Digital Libraries, pp. 89-98, 1998.

It might be worth noting that NEC Research Institute changed the name
of CiteSeer to ResearchIndex.  From what I can tell on the Web page
referenced in the original post, NEC has a mail server type group for
announcements related to ResearchIndex (formerly CiteSeer) releases,
and it would certainly be worth trying to subscribe to that group. 
Their instructions are to send "mail to majordomo@research.nj.nec.com
with subscribe citeseer-announce in the body of the message."

The language surrounding the free availability of the software
suggests to me that NEC wishes to be contacted by organizations with
some details of their plans for using the software before providing
it.

regards, mathtalk-ga