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IWCMC
2010
ACM
13 years 6 months ago
Dynamic load balancing and throughput optimization in 3GPP LTE networks
Load imbalance that deteriorates the system performance is a severe problem existing in 3GPP LTE networks. To deal with this problem, we propose in this paper a load balancing fra...
Hao Wang, Lianghui Ding, Ping Wu, Zhiwen Pan, Nan ...
GIS
2010
ACM
13 years 2 months ago
Supporting 3D route planning in indoor space based on the LEGO representation
With the prevalence of car navigation systems, indoor navigation systems are increasingly attracting attention in the indoor research area. However, the available models for indoo...
Wenjie Yuan, Markus Schneider
SIGMOD
2011
ACM
299views Database» more  SIGMOD 2011»
12 years 10 months ago
Processing theta-joins using MapReduce
Joins are essential for many data analysis tasks, but are not supported directly by the MapReduce paradigm. While there has been progress on equi-joins, implementation of join alg...
Alper Okcan, Mirek Riedewald
EUROSYS
2007
ACM
14 years 5 months ago
hFS: a hybrid file system prototype for improving small file and metadata performance
Two oft-cited file systems, the Fast File System (FFS) and the Log-Structured File System (LFS), adopt two sharply different update strategies—update-in-place and update-out-of-...
Zhihui Zhang, Kanad Ghose
SPAA
2009
ACM
14 years 8 months ago
Dynamic external hashing: the limit of buffering
Hash tables are one of the most fundamental data structures in computer science, in both theory and practice. They are especially useful in external memory, where their query perf...
Zhewei Wei, Ke Yi, Qin Zhang