2 papers
cs.IR2015
Assessing Efficiency-Effectiveness Tradeoffs in Multi-Stage Retrieval Systems Without Using Relevance Judgments
Charles L. A. Clarke, J. Shane Culpepper, Alistair Moffat
Large-scale retrieval systems are often implemented as a cascading sequence of phases -- a first filtering step, in which a large set of candidate documents are extracted using a s…
cs.DS2013
Large-Scale Pattern Search Using Reduced-Space On-Disk Suffix Arrays
Simon Gog, Alistair Moffat, J. Shane Culpepper +2
The suffix array is an efficient data structure for in-memory pattern search. Suffix arrays can also be used for external-memory pattern search, via two-level structures that use a…