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teixfiff J?^ V5l Artificial IntelligenceLaboratory, STANFORD UNIVERSITY, Stanford, 94305

Telephone 415-321-2300, ext. 4202 28 February 1974

Director, Advanced Research Projects Agency Department of Defense Washington, D. C.

ÜBJECT: Quarterly Management Report Form approved, Budget Bureau No. 22-R0293.

IRPA Order Number: 2494 Contract Number: DAHCIS 73C 0435

'rogiam Code Number: 3D30 Principal Investigator: Prof. John McCarthy 415-321-2300, extension 4430

Jame of Contractor: Board of Trustees of Executive Officer: Lester Earnest the Leland Stanford Junior University 415-321-2300, extension 4202 Iffective Date of Contract: 15 Short Title of Work: Artificial Intelligence, Heuristic Programming, and Contract Expiration Date: 30 Network Protocols Projects

.mount of Contract: $3,000,000

)ear Sir:

During the Autumn Quarter, members of our staff published several articles on analysis of algorithms and programming languages [1, 12, 14, 15]. An article on computer vision appeared [2], as well as a report on our robotics work [13].

A Ph.D. dissertation on mathematical theory of computation was produced [11] and Manna completed the first textbook in this field, which will appear shortly [3]. Several articles [4, 8, 9, 10] and a book [5] on natural language understanding were published by our staff.

The Heuristic Programming Project published two more articles on chemical inference [6, 7].

Research Program and Plan

In late October, we learned of the prospective availability of a BBN Pager at NASA Ames. Since the A. I. Project wished to change to the Tenex operating system, we requested and received approval to have the pager. It was moved here and installed over the Christmas holidays. Our Director, Advanced Research Projects Agency Page 2 system programming group is currently wrestling with the problem of developing adequate display service and meeting other local requirements within Tenex.

Major Accomplishments

Nothing new.

Problems Encountered

No new ones.

Fiscal Status

Amount currently funded: $2,248,000

Estimated expenditures and commitments(through 31 ): $ 927,500 Estimated funds required (through 30 June 1975): $3,000,000

Action Required by the Government

None.

Future Plans

No change.

Lester D. Earnest Executive Officer cc: addressee - 2 copies A. Blue, ARPA V. Cerf S. Crocker, ARPA E. Feigenbaum J. Ducy, ONR, Stanford R. Floyd J. C. R. Licklider, ARPA J- >be J. McCarthy *

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REFERENCES

I. Jerome Feldman, James R. Low, Comment on Brent's Scatter Storage Algorithm, Comm. ACM, .

2. Manfred Hueckel, A Operator which Locates Edges in Digitized Pictures, JACM, .

3. Zohar Manna, Introduction to Mathemetical Theory of Computation, McGraw-Hill, New York, 1974.

4. , Neil Goldman, Theoretical Considerations in Text Processing, Conf. Proc. Computer Text Processing and Scientific Research (1972), 0.N.R., Pasadena, . 5. Roger Schank, , (eds.), Computer Models of Thought and Language, W. H. Freeman, San Francisco, 1973.

6. D. H. Smith, B. G. Buchanan, R. S. Engelmore, H. Aldercruetz, C. Djerassi, Applications of Artificial Intelligence for Chemical Inference IX. Analysis of Mixtures without Prior Separation as Illustrated for Estrogens, J.American Chem. Soc, Vol. 95, No. 18, page 6078, 1973.

7. D. H. Smith, B. G. Buchanan, W. C. White, E. A. Feigenbaum, J. Lederberg, C. Djerassi, Applications of Artificial Intelligence for Chemical Inference X. Intsum. A Data Interpretation Program as Applied to the Collected Mass Spectra of Estrogenic Steroids, Tetrahedron, Vol. 29, page 3117, 1973.

8. Yorick Wilks, The Stanford Machine Translation and Understanding Project, in Rustin ('d.). Natural Language Processing, New York, 1973.

9. Yorick Wilks, The Computer Analysis of Philosophical Arguments, CIRPHO, Vol. 1, No. 1 . 10. Yorick Wilks, One Small Head -- Models and Theories in Linguistics, Foundations of Language, Vol. 10, No. 1, January 1974.

1 1. Jean E. Vuillemin, Proof Techniques for Recursive Programs, AIM-218, October 1973.

12. C. A. R. Hoare, Parallel Programming: an Axiomatic Approach, AIM-219, October 1973.

13. Robert Bolles, Richard Paul, The Use of Sensory Feedback in a Programmable Assembly System, AIM-220, October 1973.

14. C. A. R. Hoare, Recursive Data Structures, AIM -223, December 1973. »■

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15. C. A. R. Hoare, Hints on Programming Language Design, AIM-224, December 1973.