Performance and Scalability of Parallel Systems
... • Doubling the size of the problem means performing twice the amount of computation • Computation step: assume takes 1 time unit – message start-up time, per-word transfer time, and perhop time can be normalized w.r.t. unit computation time => W = Ts • for the fastest sequential algorithm on a sequ ...
... • Doubling the size of the problem means performing twice the amount of computation • Computation step: assume takes 1 time unit – message start-up time, per-word transfer time, and perhop time can be normalized w.r.t. unit computation time => W = Ts • for the fastest sequential algorithm on a sequ ...
Fast Matrix Rank Algorithms and Applications - USC
... ci ∈ Fq to represent an element k−1 i=0 ci x in Fq k . The injective mapping f in the statement is just the identity mapping in this construction, i.e. f (c) = (c, 0, 0, . . . , 0). The overall preprocessing time is O(|A| + k2 log2 k log log k(log k + log q)) = O(|A|) field operations in Fqk . It fo ...
... ci ∈ Fq to represent an element k−1 i=0 ci x in Fq k . The injective mapping f in the statement is just the identity mapping in this construction, i.e. f (c) = (c, 0, 0, . . . , 0). The overall preprocessing time is O(|A| + k2 log2 k log log k(log k + log q)) = O(|A|) field operations in Fqk . It fo ...
BitTorrent - VoD Framework
... • BT is a very popular peer to peer protocol with many implementations: – http://en.wikipedia.org/wiki/Comparison_of_Bit Torrent_clients ...
... • BT is a very popular peer to peer protocol with many implementations: – http://en.wikipedia.org/wiki/Comparison_of_Bit Torrent_clients ...
International Electrical Engineering Journal (IEEJ)
... **Department of Electrical Power & Machines, Faculty of Engineering, Ain Shams University, Cairo, Egypt Abstract- Economic load dispatch (ELD) in the operation of electric power system is an essential task, since it is required to determine the optimal output of electricity generating facilities, su ...
... **Department of Electrical Power & Machines, Faculty of Engineering, Ain Shams University, Cairo, Egypt Abstract- Economic load dispatch (ELD) in the operation of electric power system is an essential task, since it is required to determine the optimal output of electricity generating facilities, su ...
An Efficient Algorithm for Discovering Motifs in Large DNA
... suffix tree or De Bruijn graph, but they show poor time performance with the increase of and . Although DREME [20] can analyze very large data sets in minutes, it can only find short motifs. To process full-size ChIP-seq data sets efficiently, some algorithms based on word counting are proposed, such a ...
... suffix tree or De Bruijn graph, but they show poor time performance with the increase of and . Although DREME [20] can analyze very large data sets in minutes, it can only find short motifs. To process full-size ChIP-seq data sets efficiently, some algorithms based on word counting are proposed, such a ...
Computing intersections in a set of line segments: the Bentley
... consider the line segment intersection problem, which is defined as follows. We are given a set S = {L1 , L2 , . . . , Ln } of n line segments in the plane. Our task is to compute all pairs (Li , Lj ), i 6= j, of segments that intersect. ¡n¢ A trivial solution to this problem considers all 2 pairs ( ...
... consider the line segment intersection problem, which is defined as follows. We are given a set S = {L1 , L2 , . . . , Ln } of n line segments in the plane. Our task is to compute all pairs (Li , Lj ), i 6= j, of segments that intersect. ¡n¢ A trivial solution to this problem considers all 2 pairs ( ...
Essential Bioinformatics and Biocomputing (LSM2104
... Bioinformatics software Examples of bioinformatics software usage: After the discovery of a new gene or protein related to a disease, these questions are usually asked: • What is its function and structure? – Is it similar in sequence to a known gene or protein? (sequence similarity search) – Does ...
... Bioinformatics software Examples of bioinformatics software usage: After the discovery of a new gene or protein related to a disease, these questions are usually asked: • What is its function and structure? – Is it similar in sequence to a known gene or protein? (sequence similarity search) – Does ...
An rpoB signature sequence provides unique resolution for the
... Oscillatoria strains used in this study (indicated in bold in Supplementary Table S1, available with the online version of this paper) were supplied by the Pasteur Culture Collection of Cyanobacteria (PCC). All strains were incubated at 25 uC under white light (Osram Universal White) with a photosyn ...
... Oscillatoria strains used in this study (indicated in bold in Supplementary Table S1, available with the online version of this paper) were supplied by the Pasteur Culture Collection of Cyanobacteria (PCC). All strains were incubated at 25 uC under white light (Osram Universal White) with a photosyn ...
Streaming algorithms for embedding and computing edit distance in
... designing an embedding protocol, there is a major technical challenge when we do not have access to both of the strings at the same time and we should remove the mismatched characters. We do not know which one are those. Deleting symbols at random is unlikely to provide a good result. Moreover, we w ...
... designing an embedding protocol, there is a major technical challenge when we do not have access to both of the strings at the same time and we should remove the mismatched characters. We do not know which one are those. Deleting symbols at random is unlikely to provide a good result. Moreover, we w ...
Cost-effective Outbreak Detection in Networks Jure Leskovec Andreas Krause Carlos Guestrin
... big, well-known blogs. However, these usually have a large number of posts, and are time-consuming to read. We show, that, perhaps counterintuitively, a more cost-effective solution can be obtained, by reading smaller, but higher quality, blogs, which our algorithm can find. There are several possibl ...
... big, well-known blogs. However, these usually have a large number of posts, and are time-consuming to read. We show, that, perhaps counterintuitively, a more cost-effective solution can be obtained, by reading smaller, but higher quality, blogs, which our algorithm can find. There are several possibl ...
Information Integration Over Time in Unreliable
... true updates Z, where P (Z(i + 1)|Z(i)) represents the transition probability for the value and the time of the (i + 1)th update given the value and the time of the ith update, independent of the first i − 1 updates. Note that this is semiMarkovian since the probability for the duration Z T (i+1)− Z ...
... true updates Z, where P (Z(i + 1)|Z(i)) represents the transition probability for the value and the time of the (i + 1)th update given the value and the time of the ith update, independent of the first i − 1 updates. Note that this is semiMarkovian since the probability for the duration Z T (i+1)− Z ...
Range-Efficient Counting of Distinct Elements in a Massive Data
... traffic monitoring, this can be used to compute the number of distinct web pages requested from a web site or the number of distinct source addresses among all Internet protocol (IP) packets passing through a router. Further, the computation of many other aggregates of a data stream can be reduced to ...
... traffic monitoring, this can be used to compute the number of distinct web pages requested from a web site or the number of distinct source addresses among all Internet protocol (IP) packets passing through a router. Further, the computation of many other aggregates of a data stream can be reduced to ...
Problem of the Week - Sino Canada School
... Since the second difference is constant we can represent the general term of the first sequence with a quadratic function. Let an = pn2 + qn + r. For n = 1, a1 = 2 = p(1)2 + q(1) + r. ∴ p + q + r = 2. (1) For n = 2, a2 = 5 = p(2)2 + q(2) + r. ∴ 4p + 2q + r = 5. (2) For n = 3, a3 = 12 = p(3)2 + q(3) ...
... Since the second difference is constant we can represent the general term of the first sequence with a quadratic function. Let an = pn2 + qn + r. For n = 1, a1 = 2 = p(1)2 + q(1) + r. ∴ p + q + r = 2. (1) For n = 2, a2 = 5 = p(2)2 + q(2) + r. ∴ 4p + 2q + r = 5. (2) For n = 3, a3 = 12 = p(3)2 + q(3) ...
