activity
20172021
most citedLocationSpark: In-memory Distributed Spatial Query Processing and Optimization

9 citations · 18 across the 6 of their papers we have counts for

collaborators

6 papers

cs.DB2021★ 4 cited

An Experimental Evaluation and Investigation of Waves of Misery in R-trees

Lu Xing, Eric Lee, Tong An +5

Waves of misery is a phenomenon where spikes of many node splits occur over short periods of time in tree indexes. Waves of misery negatively affect the performance of tree indexes…

cs.DB2020

SWARM: Adaptive Load Balancing in Distributed Streaming Systems for Big Spatial Data

Anas Daghistani, Walid G. Aref, Arif Ghafoor +1

The proliferation of GPS-enabled devices has led to the development of numerous location-based services. These services need to process massive amounts of spatial data in real-time…

cs.DB2019★ 9 cited

LocationSpark: In-memory Distributed Spatial Query Processing and Optimization

Mingjie Tang, Yongyang Yu, Walid G. Aref +3

Due to the ubiquity of spatial data applications and the large amounts of spatial data that these applications generate and process, there is a pressing need for scalable spatial q…

cs.DB2017★ 1 cited

Pattern-Driven Data Cleaning

El Kindi Rezig, Mourad Ouzzani, Walid G. Aref +2

Data is inherently dirty and there has been a sustained effort to come up with different approaches to clean it. A large class of data repair algorithms rely on data-quality rules…

cs.DB2017★ 4 cited

FAST: Frequency-Aware Spatio-Textual Indexing for In-Memory Continuous Filter Query Processing

Ahmed R. Mahmood, Ahmed M. Aly, Walid G. Aref

Many applications need to process massive streams of spatio-textual data in real-time against continuous spatio-textual queries. For example, in location-aware ad targeting publish…

cs.DC2017

Adaptive Processing of Spatial-Keyword Data Over a Distributed Streaming Cluster

Ahmed R. Mahmood, Anas Daghistani, Ahmed M. Aly +4

The widespread use of GPS-enabled smartphones along with the popularity of micro-blogging and social networking applications, e.g., Twitter and Facebook, has resulted in the genera…