1. Learning to Rank

   • Andrew Trotman

   OriginalPaper Pages: 359 - 381

2. Mobile Agents for Distributed and Heterogeneous Information Retrieval

   • Subrata Das
   • Kurt Shuster
   • Igor Levit

   OriginalPaper Pages: 383 - 416

3. A General Evaluation Framework for Topical Crawlers

   • P. Srinivasan
   • F. Menczer
   • G. Pant

   OriginalPaper Pages: 417 - 447

4. Comparing Rank and Score Combination Methods for Data Fusion in Information Retrieval

   • D. Frank Hsu
   • Isak Taksa

   OriginalPaper Pages: 449 - 480

5. Analysis of Statistical Question Classification for Fact-Based Questions

   • Donald Metzler
   • W. Bruce Croft

   OriginalPaper Pages: 481 - 504

6. Mapping Scientific Frontiers: The Quest for Knowledge Visualization by Chaomei Chen. New York: Springer Verlag; 2003, 256 pps, $79.95 (ISBN: 0-85233-494-0)

   • Melody Y. Ivory

   Book Review Pages: 505 - 507