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An exact algorithm for blockmodeling of two-mode network dataBrusco, Michael ...We consider problems where relationships between two sets (or modes) of objects are available in the form of a binary matrix with elements of 1 (0) indicating a bond (lack of a bond) between ... corresponding row and column objects. The goal is to establish a partition of the row objects and, simultaneously, a partition of the column objects to form blocks that consist of either exclusively 1s or exclusively 0s to the greatest extent possible. This two-mode blockmodeling problem arises in several scientific domains. In the social sciences, two-mode blockmodeling is particularly relevant for social network analysis, where the goal is to simultaneously partition a set of individuals and another set of objects (e.g., events they attended, organizations they are affiliated with, etc.). The inherent computational challenge of simultaneously constructing partitions for two distinct sets of objects has fostered a reliance on heuristics for two-mode blockmodeling. We offer an exact algorithm and demonstrate its efficacy in a simulation study. Two applications to real-world networks are also provided.Source: The Journal of mathematical sociology. - ISSN 0022-250X (Vol. 37, no. 2, 2013, str. 61-84)Type of material - article, component partPublish date - 2013Language - englishCOBISS.SI-ID - 31888221
Author
Brusco, Michael |
Doreian, Patrick |
Mrvar, Andrej |
Steinley, Douglas
Topics
Algoritmi |
Algorithms |
Bločno modeliranje |
Blockmodeling |
Družbena omrežja |
Social networks
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Brusco, Michael | ![]() |
Doreian, Patrick | 13264 |
Mrvar, Andrej | 13767 |
Steinley, Douglas | ![]() |
Source: Personal bibliographies
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