Sciweavers

APWEB
2015
Springer
8 years 6 months ago
A Lightweight Evaluation Framework for Table Layouts in MapReduce Based Query Systems
Abstract. Table layout determines the way how the relational rowcolumn data values are organized and stored. In recent years, considerable candidates have been developed in MapRedu...
Feng Zhu, Jie Liu, Lijie Xu, Dan Ye, Jun Wei, Tao ...
APWEB
2015
Springer
8 years 6 months ago
Learning to Hash for Recommendation with Tensor Data
Abstract. Recommender systems usually need to compare user interests and item characteristics in the context of large user and item space, making hashing based algorithms a promisi...
Qiyue Yin, Shu Wu, Liang Wang
APWEB
2015
Springer
8 years 6 months ago
Distance and Friendship: A Distance-Based Model for Link Prediction in Social Networks
With the emerging of location-based social networks, study on the relationship between human mobility and social relationships becomes quantitatively achievable. Understanding it c...
Yang Zhang, Jun Pang
PE
2015
Springer
54views Optimization» more  PE 2015»
8 years 6 months ago
On optimal monitor placement for localizing node failures via network tomography
We investigate the problem of placing monitors to localize node failures in a communication network from binary states (normal/failed) of end-to-end paths, under the assumption th...
Liang Ma, Ting He, Ananthram Swami, Don Towsley, K...
PE
2015
Springer
17views Optimization» more  PE 2015»
8 years 6 months ago
Dynamic service migration and workload scheduling in edge-clouds
Edge-clouds provide a promising new approach to significantly reduce network operational costs by moving computation closer to the edge. A key challenge in such systems is to dec...
Rahul Urgaonkar, Shiqiang Wang, Ting He, Murtaza Z...
PE
2015
Springer
15views Optimization» more  PE 2015»
8 years 6 months ago
Construction of Markov chains for discrete time MAP/PH/K queues
Two GI/M/1 type Markov chains associated with the queue length are often used in analyzing the discrete time MAP/PH/K queue. The first Markov chain is introduced by tracking servic...
Qi-Ming He, Attahiru Sule Alfa
PE
2015
Springer
19views Optimization» more  PE 2015»
8 years 6 months ago
Greening multi-tenant data center demand response
Data centers have emerged as promising resources for demand response, particularly for emergency demand response (EDR), which saves the power grid from incurring blackouts during ...
Niangjun Chen, Xiaoqi Ren, Shaolei Ren, Adam Wierm...
PE
2015
Springer
12views Optimization» more  PE 2015»
8 years 6 months ago
Queueing analysis of peer-to-peer swarms: Stationary distributions and their scaling limits
In this paper we analyze the dynamics of a P2P file exchange swarm from a queueing standpoint. In such systems, the service rate a peer receives depends on one mostly fixed comp...
Andrés Ferragut, Fernando Paganini
PE
2015
Springer
21views Optimization» more  PE 2015»
8 years 6 months ago
A discrete-time queue with customers with geometric deadlines
This paper studies a discrete-time queueing system where each customer has a maximum allowed sojourn time in the system, referred to as the “deadline” of the customer. More sp...
Herwig Bruneel, Tom Maertens
PE
2015
Springer
22views Optimization» more  PE 2015»
8 years 6 months ago
On optimal policies for energy-aware servers
As energy costs and energy used by server farms increase, so does the desire to implement energy-aware policies. Although under some metrics, optimal policies for single as well a...
Vincent J. Maccio, Douglas G. Down