CCAM: a connectivity-clustered access method for aggregate queries on transportation networks: a summary of results

Shashi Shekhar*, Duen-Ren Liu

*Corresponding author for this work

Research output: Contribution to conferencePaperpeer-review

4 Scopus citations


CCAM is an access method for general networks. It uses connectivity clustering. The nodes of the network are assigned to disk pages via the graph partitioning approach to maximize the CRR, i.e., the chances that a pair of connected nodes are allocated to a common page of the file. CCAM supports the operations of insert, delete, create, and find as well as the new operations, get-A-successor and get-successors, which retrieve one or all successors of a node to facilitate aggregate computations on networks. CCAM includes methods for static clustering, as well as dynamic incremental reclustering, to maintain high CRR, in the face of updates without incurring high overheads. Experimental analysis indicates that CCAM can outperform many other access methods for network operations.

Original languageEnglish
Number of pages10
StatePublished - 1 Jan 1995
EventProceedings of the 1995 IEEE 11th International Conference on Data Engineering - Taipei, Taiwan
Duration: 6 Mar 199510 Mar 1995


ConferenceProceedings of the 1995 IEEE 11th International Conference on Data Engineering
CityTaipei, Taiwan

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