SP500207 NIST Special Publication 500-207: The First Text REtrieval Conference (TREC-1) Query Improvement in INformation Retrieval Using Genetic Algorithms - A Report on the Experiments of the TREC Project chapter J. Yang R. Korfhage E. Rasmussen National Institute of Standards and Technology Donna K. Harman Table 9. # of relevant document Table 10. # of relevant document retrieved - WSJ database retrieved - AP database Topic Generation Topic Generation 0 1 2 3 4 5 6 0 1 2 3 4 5 6 Ol 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 0 29 1 30 0 30 20 31 0 31 3 4 32 0 32 0 32 0 33 6 33 0 1 1 34 3 34 0 35 2 2 35 0 1 36 1 36 0 37 0 37 2 38 1 38 0 39 0 39 0 40 1 40 0 41 0 41 0 42 0 42 2 1 43 0 43 0 44 0 44 7 5 45 0 45 0 46 1 14 46 0 19 47 22 47 8 48 0 48 1 8 49 23 20 19 1 49 12 50 0 50 0 * means more relevant documents were retrieved after this generation, but the document number has been added into this generation. 44 Ol 15 10 4 8 02 24 9 1 03 30 5 04 11 9 7 8 2 Os 3 06 26 2 5 5 5 7 07 4 5 08 15 11 8 09 22 4 5 2 10 43 24 6 5 3 11 10 3 2 12 26 2 13 29 14 2 15 45 16 0 17 2 18 31 19 50 20 1 21 18 22 21 23 2 24 28 25 1 26 6 27 1 28 6 16 8 12 8 2 22* 50 30 5 31 23 32* 6 10 13 7 3 7 2 3 9 3 7 1 25 13 2 7 9 1 3 1 1 12 6 19 5 12 11 2 17 5 7 7 6 0 2 1 11 14 14 8 3 7 26* 5 4 0 2 0 3 14 2 1 30 18 11 31 16 23 8 20 14 21 45 38 3 1 67 6 0 12 0 3 0 4 8 10 21 2 5* 28 35 62 74 88 29 48* 0 1 4 3 2 3 1 65 15 24 7 3 4 5* 1 2 16 14 10 2 0 0 1 2 0 3 1