Fuzzy querying with SQL: extensions and implementation aspects
Fuzzy Sets and Systems - Mathematical Modelling
Reasoning About Distance Based on Fuzzy Sets
Applied Intelligence
Unified framework for fast exact and approximate search in dissimilarity spaces
ACM Transactions on Database Systems (TODS)
Analyzing Metric Space Indexes: What For?
SISAP '09 Proceedings of the 2009 Second International Workshop on Similarity Search and Applications
On Fuzzy vs. Metric Similarity Search in Complex Databases
FQAS '09 Proceedings of the 8th International Conference on Flexible Query Answering Systems
Universal indexing of arbitrary similarity models
Proceedings of the VLDB Endowment
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The task of similarity search becomes more complex when the distance measure is not a metric. In this paper, we investigated the recently proposed fuzzy approach to similarity search in non-metric databases where the triangle inequality might not hold. In summary, we took nine fuzzy T-norms, proposed a tuning algorithm for the fuzzy T-norm operators (Lambda Tuning Algorithm), and applied this approach to the pivot-based search. We present the results focusing on the efficiency and effectiveness of the suggested method.