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- J. F. TRAUB, BELL TELEPHONE, +6 authors J. Riordan
- 2009

- Prosenjit Bose, Hua Guo, +5 authors Yihui Tang
- Inf. Process. Lett.
- 2008

Bloom filters are a randomized data structure for membership queries dating back to 1970. Bloom filters sometimes give erroneous answers to queries, called false positives. Bloom analyzed the probability of such erroneous answers, called the false-positive rate, and Bloom's analysis has appeared in many publications throughout the years. We show that… (More)

- Hervé Brönnimann, John Iacono, Jyrki Katajainen, Pat Morin, Jason Morrison, Godfried T. Toussaint
- Theor. Comput. Sci.
- 2004

A space-efficient algorithm is one in which the output is given in the same location as the input and only a small amount of additional memory is used by the algorithm. We describe four space-efficient algorithms for computing the convex hull of a planar point set.

- Stephane Durocher, Jason Morrison
- Theory of Computing Systems
- 2012

A mode of a multiset S is an element a∈S of maximum multiplicity; that is, a occurs at least as frequently as any other element in S. Given an array A[1:n] of n elements, we consider a basic problem: constructing a static data structure that efficiently answers range mode queries on A. Each query consists of an input pair of indices (i,j) for which a mode… (More)

Compared with natural systems, Genetic Algorithms have a limited adaptive capacity, i.e. they get quite frequently trapped at local optima and they are poor at tracking moving optima in dynamic environments. This paper describes a general, formal model of co-evolution, the Linear Model of Symbiosis, that allows for the concise, uniied expression of all… (More)

- Anita Kothari, S Michelle Driedger, +4 authors Eric Crighton
- Implementation science : IS
- 2008

BACKGROUND
Local Ontario Early Years Centres (OEYCs) collect timely and relevant local data, but knowledge translation is needed for the data to be useful. Maps represent an ideal tool to interpret local data. While geographic information system (GIS) technology is available, it is less clear what users require from this technology for evidence-informed… (More)

Security is an independent , non-profit center created in 1987 to do research and policy analysis in the areas of environment, sustainable development, and international security. Underlying all of the Insti-tute's work is the recognition that the pressing problems of environmental degradation, regional and global poverty, and political tension and conflict… (More)

- Prosenjit Bose, Anil Maheshwari, Pat Morin, Jason Morrison, Michiel H. M. Smid, Jan Vahrenhold
- Comput. Geom.
- 2007

We develop a number of space-efficient tools including an approach to simulate divide-and-conquer space-efficiently, stably selecting and unselecting a subset from a sorted set, and computing the kth smallest element in one dimension from a multi-dimensional set that is sorted in another dimension. We then apply these tools to solve several geometric… (More)

An in-place algorithm is one in which the output is given in the same location as the input and only a small amount of additional memory is used by the algorithm. In this paper we describe three in-place algorithms for computing the convex hull of a planar point set. All three algorithms are optimal, some more so than others.. .

- Prosenjit Bose, Anil Maheshwari, Pat Morin, Jason Morrison
- WADS
- 2001