Publications

2002

• P. Ciaccia and M. Patella. Searching in Metric Spaces with User-Defined and Approximate Distances. In ACM Transactions on Database Systems, 27(4), December 2002.
• I. Bartolini, P. Ciaccia, and M. Patella. String Matching with Metric Trees Using an Approximate Distance. In Proceedings of the 9th International Symposium on String Processing and Information Retrieval (SPIRE 2002), Lisbon, Portugal, September 2002.

2000

• P. Ciaccia and M. Patella. PAC Nearest Neighbor Queries: Approximate and Controlled Search in High-Dimensional and Metric Spaces. In Proceedings of the 16th International Conference on Data Engineering (ICDE 2000), San Diego, California, USA, March 2000.

1999

• P. Ciaccia and M. Patella. Using the Distance Distribution for Approximate Similarity Queries in High-Dimensional Metric Spaces. In Proceedings of the 1st International Workshop on Similarity Search (IWOSS'99), Florence, Italy, September 1999.
• P. Zezula, P. Savino, P. Ciaccia, and F. Rabitti. On the Region Proximity in Metric Spaces. In Proceedings of the 1st International Workshop on Similarity Search (IWOSS'99), Florence, Italy, September 1999.
• P. Ciaccia and M. Patella. PAC Nearest Neighbor Queries: Using the Distance Distribution for Searching in High-Dimensional Metric Spaces. In Atti del Settimo Convegno Nazionale SEBD, Como, Italy, June 1999.
• P. Ciaccia, A. Nanni, and M. Patella. A Query-sensitive Cost Model for Similarity Queries with M-tree. In Proceedings of th 10th Australasian Database Conference (ADC'99), Auckland, New Zealand, January 1999.

1998

• P. Ciaccia, M. Patella, and P. Zezula. A Cost Model for Similarity Queries in Metric Spaces. In Proceedings of the 17th ACM SIGACT-SIGMOD-SIGART Symposium on Principles of Database Systems (PODS '98), Seattle, Washington, USA, June, 1998.
• P. Zezula, P. Savino, G. Amato, and F. Rabitti. Approximate Similarity Retrieval with M-Trees. VLDB Journal 7(4), 1998.
• P. Ciaccia, M. Patella, and P. Zezula. Processing complex similarity queries with distance-based access methods. In Proceedings of the 6th EDBT International Conference, Valencia, Spain, March, 1998.
• P. Zezula, P. Savino, F. Rabitti, G. Amato, and P. Ciaccia. Processing M-trees with Parallel Resources. In Eighth International Workshop on Research Issues in Data Engineering (RIDE'98), Orlando, Florida, February 1998.
• P. Ciaccia, and M. Patella. Bulk loading the M-tree. In Proceedings of th 9th Australasian Database Conference (ADC'98), Perth, Australia, February 1998.

1997

• P. Ciaccia, M. Patella, and P. Zezula. M-tree: An efficient access method for similarity search in metric spaces. In Proceedings of the 23rd VLDB International Conference, Athens, Greece, September 1997.
• P. Ciaccia, M. Patella, F. Rabitti, and P. Zezula. Indexing metric spaces with M-tree. In Atti del Quinto Convegno Nazionale SEBD, Verona, Italy, June 1997.

Other works:

• M. Patella. Similarity Search in Multimedia Databases. PhD thesis, Dipartimento di Elettronica Informatica e Sistemistica, Università degli Studi di Bologna, Bologna, Italy, February 1999.
• P. Ciaccia, M. Patella, F. Rabitti, and P. Zezula. Performance of M-tree, an access method for similarity search in metric spaces. Technical Report 13, HERMES ESPRIT LTR Projects, 1996.
• P. Zezula, P. Ciaccia, and F. Rabitti. M-tree: A dynamic index for similarity queries in multimedia databases. Technical Report 7, HERMES ESPRIT LTR Projects, 1996.