Recent Papers:
J. Arguello, J. Callan, F. Diaz, and J.-F. Crespo "Sources of evidence for vertical selection". In Proceedings of the Thirty Second Annual International ACM SIGIR Conference on Research and Development in Information Retrieval. Boston. To appear.
J. Arguello, J. Elsas, C. Yoo, J. Callan, and J. Carbonell. "Document and query expansion models for blog distillation." In The Seventeenth Text REtrieval Conference Proceedings (TREC 2008). National Institute of Standards and Technology, special publication 500-277. 2009.
H. Yang and J. Callan. "Feature selection for automatic taxonomy induction" (poster paper). In Proceedings of the Thirty Second Annual International ACM SIGIR Conference on Research and Development in Information Retrieval. ACM. To appear.
H. Yang and J. Callan. "A metric-based framework for automatic taxonomy induction". In Proceedings of the Joint Conference of the 47th Annual Meeting of the Association for Computational Linguistics and the 4th International Joint Conference on Natural Language Processing. Singapore. To appear.
H. Yang and J. Callan. "OntoCop: Constructing ontologies for public comments. IEEE Intelligent Systems. IEEE Computer Society. To appear.
L. Zhao, C. Liang, and J. Callan. "Extending relevance model for relevance feedback." In The Seventeenth Text REtrieval Conference Proceedings (TREC 2008). National Institute of Standards and Technology, special publication 500-277. 2009.
J. Arguello, J. Callan, and S. Shulman. "Recognizing citations in public comments." Journal of Information Technology and Politics, 5(1). 2008.
J. Arguello, J. L. Elsas, J. Callan, and J. G. Carbonell. "Document representation and query expansion models for blog recommendation." In Proceedings of the Second International Conference on Weblogs and Social Media. 2008.
M. Bilotti, L. Zhao, E. Nyberg, and J. Callan. "Focused retrieval over richly-annotated collections." SIGIR 2008 Workshop on Focused Retrieval. Singapore. 2008.
J. Elsas, J. Arguello, J. Callan, and J. Carbonell. "Retrieval and feedback models for blog distillation." In Proceedings of the 2007 Text REtrieval Conference (TREC 2007). National Institute of Standards and Technology, special publication 500-274. 2008.
J. Elsas, J. Arguello, J. Callan, and J. Carbonell. "Retrieval and query expansion models for blog feed search." In Proceedings of the Thirty First Annual International ACM SIGIR Conference on Research and Development in Information Retrieval. Singapore. 2008.
G. Frishkoff, K. Collins-Thompson, C. Perfetti, and J. Callan. "Measuring incremental changes in word knowledge: Experimental validation and implications for learning assessment. Behavior Research Methods, 40(4), pp. 907-925. Psychonomic Society, Inc. 2008.
M. Heilman, K. Collins-Thompson, J. Callan, M. Eskenazi, A. Juffs, and L. Wilson. "Personalization of reading passages improves vocabulary acquisition." International. Journal of Artificial Intelligence in Education. To appear.
A. Kulkarni and J. Callan. "Dictionary definitions based homograph identification using a generative hierarchical model." In Proceedings of the 46th Annual Meeting of the Association for Computational Linguistics: Human Language Technologies. 2008.
A. Kulkarni, M. Heilman, M. Eskenazi, and J. Callan. "Word sense disambiguation for vocabulary learning." In Proceedings of the 9th International Conference on Intelligent Tutoring Systems. 2008.
N. Sahoo, R. Krishnan, and J. Callan. "Sampling online social networks guided by node classification." Fourth Symposium on Statistical Challenges in Electronic Commerce Research. 2008.
H. Yang and J. Callan. "Ontology generation for large email collections." Proceedings of the Eighth National Conference on Digital Government Research. Montreal. 2008.
H. Yang and J. Callan. "Human-guided ontology learning." In Second Workshop on Human-Computer Interaction and Information Retrieval (HCIR2008). Microsoft Research, Redmond, WA. 2008.
H. Yang and J. Callan. "Metric-based ontology learning." In CIKM Workshop on Ontologies and Information Systems for the Semantic Web. Napa Valley, CA. 2008.
H. Yang and J. Callan. "Learning the distance metric in a personal ontology." In CIKM Workshop on Ontologies and Information Systems for the Semantic Web. Napa Valley, CA. 2008.
L. Zhao and J. Callan. "A generative retrieval model for structured documents." In Proceedings of the Seventeenth International Conference on Information and Knowledge Management (CIKM '08). 2008. ACM.
Y. Zhu, J. Callan, and J. Carbonell. "The impact of history length on personalized search" (poster description). In Proceedings of the Thirty First Annual International ACM SIGIR Conference on Research and Development in Information Retrieval. Singapore. 2008.
Y. Zhu, L. Zhao, and J. Callan. "Structured queries for legal documents search." In Proceedings of the 2007 Text REtrieval Conference (TREC 2007). National Institute of Standards and Technology, special publication 500-274. 2008.
J. Arguello and J. Callan. (2007.) "A bootstrapping approach for identifying stakeholders in public-comment corpora." Proceedings of the Seventh National Conference on Digital Government Research. Philadelphia, PA.
M. Bilotti, P. Ogilvie, J. Callan, and E. Nyberg. (2007.) "Structured retrieval for question answering." In Proceedings of the Thirtieth Annual International ACM SIGIR Conference on Research and Development in Information Retrieval. Amsterdam.
J. Callan, J. Allan, C. L. A. Clarke, S. Dumais, D. A. Evans, M. Sanderson and C. Zhai. (2007.) "Meeting of the MINDS: An information retrieval research agenda." SIGIR Forum, 41(2), pp 25-34.
K. Collins-Thompson and J. Callan. (2007.) "Estimation and use of uncertainty in pseudo-relevance feedback." In Proceedings of the Thirtieth Annual International ACM SIGIR Conference on Research and Development in Information Retrieval. Amsterdam.
K. Collins-Thompson and J. Callan. (2007.) "Automatic and human scoring of word definition responses." In Proceedings of the NAACL-HLT 2007 Conference. Rochester.
M. Heilman, K. Collins-Thompson, J. Callan, and M. Eskenazi. (2007.) "Combining lexical and grammatical features to improve readability measures for first and second language texts." In Proceedings of the NAACL-HLT 2007 Conference. Rochester.
A. Kulkarni, J. Callan, and and M. Eskenazi. (2007.) "Dictionary definitions: The likes and the unlikes." In Proceedings of the SLaTE Workshop on Speech and Language Technology in Education. Farmington, PA.
J. Lu and J. Callan. (2007.) "Content-based peer-to-peer network overlay for full-text federated search." In Proceedings of the Eighth Recherche d'Information Assistee par Ordinateur (RIAO) Conference. Pittsburgh.
L. Si, J. Lu, and J. Callan. (2007.) "Combining multiple resources, evidence, and criteria for genomic information retrieval." In Proceedings of the 2006 Text REtrieval Conference (TREC 2006). National Institute of Standards and Technology, special publication 500-272.
H. Yang, L. Si, and J. Callan. (2007.) "Knowledge transfer and opinion detection in the TREC 2006 Blog track." In Proceedings of the 2006 Text REtrieval Conference (TREC 2006). National Institute of Standards and Technology, special publication 500-272.
T. T. Avrahami, L. Yau, L. Si, and J. Callan. (2006.) "The FedLemur project: Federated search in the real world." Journal of the American Society for Information Science and Technology, 57(3) (pp.347-358).
M. Heilman, K. Collins-Thompson, J. Callan, and M. Eskenazi. (2006.) "Classroom success of an intelligent tutoring system for lexical practice and reading comprehension." In Proceedings of the International Conference on Spoken Language Processing (ICSLP). Pittsburgh.
J. Lu and J. Callan. (2006.) "Full-text federated search of text-based digital libraries in peer-to-peer networks." Information Retrieval, 9 (pp. 477-498).
J. Lu and J. Callan. (2006.) "User modeling for full-text federated search in peer-to-peer networks." In Proceedings of the Twenty Ninth Annual International ACM SIGIR Conference on Research and Development in Information Retrieval. Seattle.
P. Ogilvie and J. Callan. (2006.) "Experiments with language models for known-item finding of e-mail messages." In Proceedings of the 2005 Text REtrieval Conference (TREC 2005). National Institute of Standards and Technology, special publication 500-266.
P. Ogilvie and J. Callan. (2006.) "Parameter estimation for a simple hierarchical generative model for XML retrieval." In Advances in XML Information Retrieval and Evaluation: 4th International Workshop of the Initiative for the Evaluation of XML Retrieval, INEX 2005 (pp. 211-224). Springer.
N. Sahoo, J. Callan, R. Krishnan, G. Duncan, and R. Padman. (2006.) "Incremental hierarchical clustering of text documents." In Proceedings of the Fifteenth International Conference on Information and Knowledge Management (CIKM'06). ACM.
N. Sahoo, R. Krishnan, G. Duncan, and J. P. Callan. (2006.) "Collaborative filtering with multi-component rating for recommender systems." In Proceedings of the Sixteenth Workshop on Information Technologies and Systems (WITS'06). Milwaukee, WI.
S. Shulman, E. Hovy, J. Callan, and S. Zavestoski. (2006.) "Progress in language processing technology for electronic rulemaking" (research highlight). Proceedings of the Sixth National Conference on Digital Government Research (pp 249-250). San Diego, CA.
P. Treeratpituk and J. Callan. (2006.) "Automatically labeling hierarchical clusters." Proceedings of the Sixth National Conference on Digital Government Research (pp 167-176). San Diego, CA.
P. Treeratpituk and J. Callan. (2006.) "An experimental study on automatically labeling hierarchical clusters using statistical features" (poster description). In Proceedings of the Twenty Ninth Annual International ACM SIGIR Conference on Research and Development in Information Retrieval. Seattle.
H. Yang and J. Callan. (2006.) "Near-duplicate detection by instance-level constrained clustering." In Proceedings of the Twenty Ninth Annual International ACM SIGIR Conference on Research and Development in Information Retrieval. Seattle.
H. Yang, J. Callan, and S. Shulman. (2006.) "Next steps in near-duplicate detection for eRulemaking." Proceedings of the Sixth National Conference on Digital Government Research (pp. 239-248). San Diego, CA.
H. Yang, J. Callan, and S. Shulman. (2006.) "DURIAN: A demo for near-duplicate detection" (demo description). Proceedings of the Sixth National Conference on Digital Government Research (p 347). Atlanta, GA.
J. Allan, W. B. Croft, and J. Callan. (2005.) "University of Massachusetts and a Dozen TRECs." In E. Voorhees and D. Harman, editors, TREC: Experiment and Evaluation In Information Retrieval. MIT Press.
K. Collins-Thompson and J. Callan. (2005.) "Predicting reading difficulty with statistical reading models". Journal of the American Society for Information Science and Technology 56(13) (pp. 1448-1462).
K. Collins-Thompson, P. Ogilvie and J. Callan. (2005.) "Initial results with structured queries and language models on half a terabyte of text." In Proceedings of the 2004 Text REtrieval Conference (TREC 2004). National Institute of Standards and Technology, special publication 500-261.
K. Collins-Thompson, and J. Callan. (2005.) "Query expansion using random walk models." In Proceedings of the Fourteenth International Conference on Information and Knowledge Management (CIKM'05). ACM.
J. Lu and J. Callan. (2005.) "Federated search of text-based digital libraries in hierarchical peer-to-peer networks". In Proceedings of the 27th European Conference on Information Retrieval. Santiago de Compostela, Spain. A preliminary version appeared as J. Lu and J. Callan. "Federated search of text-based digital libraries in hierarchical peer-to-peer networks." In SIGIR 2004 Workshop on Peer-to-Peer Information Retrieval. Sheffield, UK. 2004.
S. Robertson and J. Callan. (2005.) "Routing and filtering." In E. Voorhees and D. Harman, editors, TREC: Experiment and Evaluation In Information Retrieval. MIT Press.
L. Si and J. Callan. (2005.) "Modeling search engine effectiveness for federated search." In Proceedings of the Twenty Eighth Annual International ACM SIGIR Conference on Research and Development in Information Retrieval. Salvador, Brazil.
L. Si and J. Callan. (2005.) "CLEF 2005: Multilingual retrieval by combining multiple multilingual ranked lists." In Sixth Workshop of the Cross-Language Evaluation Forum, CLEF 2005. Vienna, Austria.
A. Smeaton and J. Callan (eds). (2005.) "Personalisation and Recommender Systems in Digital Libraries." International Journal on Digital Libraries, 5(4) (pp. 209-308). Springer-Verlag. A draft version appeared as a joint NSF-EU DELOS working group report, May 2003.
H. Yang and J. Callan. (2005.) "Near-duplicate detection for eRulemaking." Proceedings of the Fifth National Conference on Digital Government Research. Atlanta, GA.
Y. Zhang and J. Callan. (2005.) "Combining multiple forms of evidence while filtering." In Proceedings of the HLT/EMNLP 2005 Conference. Vancouver, BC.
K. Collins-Thompson and J. Callan. (2004.) "Information retrieval for language tutoring: An overview of the REAP project" (poster description). In Proceedings of the Twenty Seventh Annual International ACM SIGIR Conference on Research and Development in Information Retrieval. Sheffield, UK.
K. Collins-Thompson and J. Callan. (2004.) "A language modeling approach to predicting reading difficulty." In Proceedings of the HLT/NAACL 2004 Conference. Boston.
K. Collins-Thompson, E. Terra, J. Callan, and C. Clarke. (2004.) "The effect of document retrieval quality on factoid question answering performance" (poster description). In Proceedings of the Twenty Seventh Annual International ACM SIGIR Conference on Research and Development in Information Retrieval. Sheffield, UK.
J. Lu and J. Callan. (2004.) "Merging retrieval results in hierarchical peer-to-peer networks" (poster description). In Proceedings of the Twenty Seventh Annual International ACM SIGIR Conference on Research and Development in Information Retrieval. Sheffield, UK.
J. Montgomery, L. Si, J. Callan, and D.A. Evans. (2004.) "Effect of varying number of documents in blind feedback: analysis of the 2003 NRRC RIA workshop "bf_numdocs" experiment suite" (poster description). In Proceedings of the Twenty Seventh Annual International ACM SIGIR Conference on Research and Development in Information Retrieval. Sheffield, UK.
E. Nyberg, T. Mitamura, J. Callan, J. Carbonell, R. Frederking, K. Collins-Thompson, L. Hiyakumoto, Y. Huang, C. Huttenhower, S. Judy, J. Ko, A. Kupsc, L. V. Lita, V. Pedro, D. Svoboda, and B. Van Durme. (2004.) "The JAVELIN question-answering system at TREC 2003: A multi-strategy approach with dynamic planning." In Proceedings of the 2003 Text REtrieval Conference (TREC 2003). National Institute of Standards and Technology, special publication 500-255.
P. Ogilvie and J. Callan. (2004.) "Combining structural information and the use of priors in mixed named-page and homepage finding." In Proceedings of the 2003 Text REtrieval Conference (TREC 2003). National Institute of Standards and Technology, special publication 500-255.
P. Ogilvie and J. Callan. (2004.) "Hierarchical Language Models for Retrieval of XML Components." In Proceedings of the Initiative for the Evaluation of XML Retrieval Workshop (INEX 2004).
M. E. Renda and J. Callan. (2004.) "The robustness of content-based search in hierarchical peer to peer networks." In Proceedings of the Thirteenth International Conference on Information and Knowledge Management (CIKM'04). ACM.
S. Shulman, J. Callan, E. Hovy, and S. Zavestoski. (2004.) "SGER Collaborative: A Testbed for eRulemaking Data" (project highlight). In Proceedings of the National Conference on Digital Government Research (dg.o2004). Also published in Journal of E-Government, 1(1).
L. Si and J. Callan. (2004.) "Unified utility maximization framework for resource selection." In Proceedings of the Thirteenth International Conference on Information and Knowledge Management (CIKM'04). ACM.
S. Berretti, J. Callan, H. Hottelmann, X.M. Shou, and S. Wu. (2003.) "MIND: Resource selection and data fusion in multimedia distributed digital libraries" (demo description). In Proceedings of the Twenty Sixth Annual International ACM SIGIR Conference on Research and Development in Information Retrieval. Toronto: ACM.
J. Callan, F. Crestani, H. Nottelmann, P. Pala, and X.M. Shou. (2003.) "Resource selection and data fusion in multimedia distributed digital libraries" (poster description). In Proceedings of the Twenty Sixth Annual International ACM SIGIR Conference on Research and Development in Information Retrieval. Toronto: ACM.
J. Callan, F. Crestani, and M. Sanderson. (2003.) "SIGIR 2003 Workshop on Distributed Information Retrieval. SIGIR Forum, 37(2). ACM.
J. Callan and A. Smeaton, editors. (2003.) "Personalisation and Recommender Systems in Digital Libraries." Joint NSF-EU DELOS Working Group Report.
K. Collins-Thompson, P. Ogilvie, Y. Zhang, and J. Callan. (2003.) "Information filtering, novelty detection, and named-page finding." In Proceedings of the 2002 Text REtrieval Conference (TREC 2002). National Institute of Standards and Technology, special publication 500-251.
R. Jin, L. Si, C. Zhai and J. Callan. (2003.) "Collaborative filtering with decoupled models for preferences and ratings." In Proceedings of the Twelfth International Conference on Information and Knowledge Management (CIKM'03). New Orleans: ACM.
J. Lu, and J. Callan. (2003.) "Content-based retrieval in hybrid peer-to-peer networks." In Proceedings of the Twelfth International Conference on Information and Knowledge Management (CIKM'03). New Orleans: ACM.
J. Lu, and J. Callan. (2003.) "Reducing storage costs for federated search of text databases" (poster description). In Proceedings of the National Conference on Digital Government Research (dg.o2003). Boston.
E. Nyberg, T. Mitamura, J. Carbonell, J. Callan, K. Collins-Thompson, K. Czuba, M. Duggan, L. Hiyakumoto, N. Hu, Y. Huang, J. Ko, L. Lita, S. Murtagh, V. Pedro and D. Svoboda. (2003.) "The JAVELIN question-answering system at TREC 2002." In Proceedings of the 2002 Text REtrieval Conference (TREC 2002). National Institute of Standards and Technology, special publication 500-251.
P. Ogilvie and J. Callan. (2003.) "Combining document representations for known item search." In Proceedings of the Twenty Sixth Annual International ACM SIGIR Conference on Research and Development in Information Retrieval. Toronto: ACM.
P. Ogilvie and J. Callan. "Using language models for flat text queries in XML retrieval." In Proceedings of the Second Workshop of the INitiative for the Evaluation of XML Retrieval (INEX). 2003.
L. Si and J. Callan. (2003.) "A semi-supervised learning method to merge search engine results." ACM Transactions on Information Systems, 24(4) (pp. 457-491). ACM.
L. Si and J. Callan. (2003.) "Relevant document distribution estimation method for resource selection." In Proceedings of the Twenty Sixth Annual International ACM SIGIR Conference on Research and Development in Information Retrieval. Toronto: ACM.
L. Si, J. Lu, and J. Callan. (2003.) "Distributed information retrieval with skewed database size distributions." In Proceedings of the National Conference on Digital Government Research (dg.o2003). Boston.
L. Si and J. Callan. (2003.) "The effect of database size distribution on resource selection algorithms." In J. Callan, F. Crestani, and M. Sanderson (eds), Distributed Multimedia Information Retrieval. Springer-Verlag. Also appeared in the Proceedings of the SIGIR 2003 Workshop on Distributed Information Retrieval. Toronto.
Y. Zhang and J. Callan. (2003.) "An unbiased generative model for setting dissemination thresholds." In W. B. Croft and J. Lafferty, editors, Language Modeling for Information Retrieval (pp. 189-218). Kluwer Academic Publishers.
Y. Zhang, W. Xu, and J. Callan. (2003.) "Exploration and exploitation in adaptive filtering based on Bayesian active learning." In Proceedings of the Twentieth International Conference on Machine Learning (ICML-2003).
J. Callan, P. Kantor and D. Grossman. (2002.) "Information retrieval and OCR: From converting content to grasping meaning." SIGIR Forum, 36(2). ACM.
J. Callan and T. Mitamura. (2002.) "Knowledge-based extraction of named entities." In Proceedings of the Eleventh International Conference on Information and Knowledge Management (CIKM'02) (pp. 532-537). McLean, VA: ACM.
R. Jin, L. Si, A. Hauptmann, and J. Callan. (2002.) "Language model for IR using collection information" (poster description). In Proceedings of the Twenty Fifth Annual International ACM SIGIR Conference on Research and Development in Information Retrieval (pp. 419-420). Tampere, Finland: ACM.
J. Lu and J. Callan. (2002.) "Pruning long documents for distributed information retrieval." In Proceedings of the Eleventh International Conference on Information and Knowledge Management (CIKM'02) (pp. 332-339). McLean, VA: ACM.
P. Ogilvie and J. Callan. (2002.) "Experiments using the Lemur toolkit." In Proceedings of the 2001 Text REtrieval Conference (TREC 2001) (pp. 103-108). National Institute of Standards and Technology, special publication 500-250.
P. Ogilvie and J. Callan. "Language models and structured documents." In Proceedings of the First Workshop of the INitiative for the Evaluation of XML Retrieval (INEX) (pp 18-23). 2002.
L. Si and J. Callan. (2002.) "Using sampled data and regression to merge search engine results." In Proceedings of the Twenty Fifth Annual International ACM SIGIR Conference on Research and Development in Information Retrieval (pp. 19-26). Tampere, Finland: ACM.
L. Si, R. Jin, J. Callan, and P. Ogilvie. (2002.) "Language modeling framework for resource selection and results merging." In Proceedings of the Eleventh International Conference on Information and Knowledge Management (CIKM'02) (pp. 391-397). McLean, VA: ACM.
Y. Zhang, J. Callan, and T. Minka. (2002.) "Novelty and redundancy detection in adaptive filtering." In Proceedings of the Twenty Fifth Annual International ACM SIGIR Conference on Research and Development in Information Retrieval (pp. 81-88). Tampere, Finland: ACM.
Y. Zhang and J. Callan. (2002.) "The bias problem and language models in adaptive filtering." In Proceedings of the 2001 Text REtrieval Conference (TREC 2001) (pp. 78-83). National Institute of Standards and Technology, special publication 500-250.
Y. Zhang, W. Xu., and J. Callan. (2002.) "Exact maximum likelihood estimation for word mixtures." In ICML 2002 Workshop on Text Learning (TextML 2002).
A. Smeaton and J. Callan. "Joint DELOS-NSF workshop on personalisation and recommender systems in digital libraries". SIGIR Forum, 35(1), pp. 7-11. 2001.
J. Callan and M. Connell. (2001.) "Query-based sampling of text databases". ACM Transactions on Information Systems, 19(2), pp. 97-130.
P. Ogilvie and J. Callan. (2001). "The effectiveness of query expansion for distributed information retrieval." In Proceedings of the 10th International Conference on Information and Knowledge Management (CIKM) (pp. 183-190). ACM.
L. Si and J. Callan. (2001). "A statistical model for scientific readability" (poster description). In Proceedings of the 10th International Conference on Information and Knowledge Management (CIKM) (pp. 574-576). ACM.
Y. Zhang and J. Callan. (2001). "Maximum likelihood estimation for filtering thresholds." In Proceedings of the Twenty Fourth Annual International ACM SIGIR Conference on Research and Development in Information Retrieval. New Orleans: ACM.
Y. Zhang and J. Callan. (2001). "YFilter at TREC-9". In Proceedings of the Ninth Text REtrieval Conference (TREC-9), (pp. 135-140). National Institute of Standards and Technology, special publication 500-249.
J. Allan, J. Callan, F. Feng, and D. Malin. (2000.) "INQUERY and TREC-8." In Proceedings of the Eighth Text REtrieval Conference (TREC-8). National Institute of Standards and Technology, special publication 500-246 (pp. 637-644).
J. Callan. (2000). "Distributed information retrieval." In W. B. Croft, editor, Advances in Information Retrieval. Kluwer Academic Publishers. (pp. 127-150). [pdf]
J. Callan. (2000). "Searching for needles in a world of haystacks." IEEE Data Engineering Bulletin, 23(3), pp. 33-37. IEEE Computer Society.
J. Callan. "System and method for filtering a document stream." U.S. Patent 6,105,023, August 15, 2000.
J. Goldstein, V. Mittal, J. Carbonell, and J. Callan. (2000). "Creating and evaluating multi-document sentence extract summaries". In Proceedings of the 9th International Conference on Information and Knowledge Management (CIKM). (pp. 165-172). ACM.
L. Larkey, M. Connell, and J. Callan. (2000). "Collection selection and results merging with topically organized U.S. patents and TREC data". In Proceedings of the 9th International Conference on Information and Knowledge Management (CIKM) (pp. 282-289). ACM.
A.L. Powell, J.C. French, J. Callan, M. Connell, and C.L. Viles. (2000). "The impact of database selection on distributed searching." In Proceedings of the Twenty Third Annual International ACM SIGIR Conference on Research and Development in Information Retrieval. Athens: ACM. (pp. 232-239).
J.C. French, A.L. Powell, J. Callan, C.L. Viles, T. Emmitt, K.J. Prey, and Y. Mou. (1999). "Comparing the performance of database selection algorithms." In Proceedings of the Twenty Second Annual International ACM SIGIR Conference on Research and Development in Information Retrieval. Berkeley: ACM. (pp. 238-245).
J. Allan, L. Ballesteros, J.P. Callan, W.B. Croft, and Z. Lu. (1996). "Recent experiments with INQUERY." In Proceedings of the Fourth Text REtrieval Conference (TREC-4). Gaithersburg, MD: National Institute of Standards and Technology, special publication 500-236. (pp.49-63).
J. Callan. (1996). "Document filtering with inference networks." In Proceedings of the Nineteenth Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, Zurich, Switzerland. (pp. 262-269).
D.D. Lewis, R.E. Schapire, J.P. Callan, and R. Papka. (1996). "Training algorithms for linear text classifiers." In Proceedings of the Nineteenth Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, Zurich, Switzerland. (pp. 298-306).
R. Papka, J. P. Callan, and A. G. Barto. (1996). "Text-based information retrieval using exponentiated gradient descent." In Advances in Neural Information Processing Systems, (pp. 3-9).
S.R.Vasanthakumar, J.P.Callan, and W.B. Croft. (1996). "Integrating INQUERY with an RDBMS to support text retrieval." IEEE Data Engineering Bulletin, 19 (1), pp. 24-33.
J. Broglio, J.P. Callan, W.B. Croft, and D.W. Nachbar. (1995). "Document retrieval and routing using the INQUERY system." In Proceedings of the Third Text REtrieval Conference (TREC-3). Gaithersburg, MD: National Institute of Standards and Technology, special publication 500-225, pp. 29-38.
J.P. Callan, W.B. Croft, and J. Broglio. (1995). "TREC and TIPSTER experiments with INQUERY." Information Processing and Management, 31(3), pp. 327-343.
J.P. Callan, Z. Lu, and W.B. Croft. (1995). "Searching distributed collections with inference networks." In Proceedings of the Eighteenth Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, Seattle, WA. (pp. 21-28).
S. DeFazio, A. Daoud, L.A. Smith, J. Srinivasan, B. Croft, and J. Callan. (1995). "Integrating IR and RDBMS using cooperative indexing." In Proceedings of the Eighteenth Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, Seattle, WA. (pp. 84-92).
E.W. Brown, J.P. Callan, W.B. Croft, and J.E.B. Moss. (1994). "Supporting full-text information retrieval with a persistent object-store." In Proceedings of the Fourth International Conference on Extending Database Technology, Cambridge, England, pp. 365-378.
J.P. Callan. (1994). "Passage-level evidence in document retrieval." In Proceedings of the Seventeenth Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, Dublin, Ireland, pp. 302-310.
N.J. Belkin, C. Cool, W.B. Croft, and J.P. Callan. (1993). "The effect of multiple query representations on information retrieval system performance." In Proceedings of the Sixteenth Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, (pp. 339-346). Pittsburgh, PA: Association for Computing Machinery.
J.P. Callan. (1993). Knowledge-based feature generation for inductive learning. Doctoral dissertation, University of Massachusetts. Also published as University of Massachusetts Technical Report UM-CS-1993-007.
J.P. Callan, and W.B. Croft. (1993). "An evaluation of query processing strategies using the TIPSTER collection." In Proceedings of the Sixteenth Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, (pp. 347-355). Pittsburgh, PA: Association for Computing Machinery.
B. Croft, J. Callan, and J. Broglio. (1993). "TREC-2 routing and ad-hoc retrieval evaluation using the INQUERY system." In Proceedings of the Third Text REtrieval Conference (TREC-3). Gaithersburg, MD: National Institute of Standards and Technology, special publication 500-225, pp. 29-38.