Approximate string matching with stuck address bits

Amihood Amir, Estrella Eisenberg, Orgad Keller, Avivit Levy, Ely Porat

Abstract: A string S ∈ Σ m can be viewed as a set of pairs { ( s i , i ) ∣ s i ∈ S , i ∈ { 0 , … , m − 1 } } . We follow the recent work on pattern matching with address errors and consider approximate pattern matching problems arising from the setting where errors are introduced to the location component ( i ), rather than the more traditional setting, where errors are introduced to the content itself ( s i ). Specifically, we continue the work on string matching in the presence of address bit errors. In this paper, we consider the case where bits of i may be stuck, either in a consistent or transient manner. We formally define the corresponding approximate pattern matching problems, and provide efficient algorithms for their resolution.