Elham Naghi Zadeh Kakhki

There is no way! Ternary qualitative spatial reasoning for error detection in map data

Ivan Majic, Elham Naghizade, Stephan Winter, Martin Tomko

Journal article  |  2021  |  TRANSACTIONS IN GIS

Detection and correction of errors in map data based on spatial reasoning may be used to improve their quality. However, the major..

Can you fixme? An intrinsic classification of contributor-identified spatial data issues using topic models

Rajesh Chittor Sundaram, Elham Naghizade, Renata Borovica-Gajic, Martin Tomko

Journal article  |  2021  |  INTERNATIONAL JOURNAL OF GEOGRAPHICAL INFORMATION SCIENCE

Assessing OpenStreetMap (OSM) data quality against authoritative data sources may not always be viable. This is primarily because ..

RIM: a ray intersection model for the analysis of the between relationship of spatial objects in a 2D plane

Ivan Majic, Elham Naghizade, Stephan Winter, Martin Tomko

Journal article  |  2020  |  International Journal of Geographical Information Science

The term between is frequently used to describe spatial arrangements of objects where one described core object is positioned in t..

Harnessing spatio-temporal patterns in data for nominal attribute imputation

Rajesh Chittor Sundaram, Elham Naghizade, Renata Borovica-Gajic, Martin Tomko

Journal article  |  2020  |  TRANSACTIONS IN GIS

Missing data in Volunteered Geographic Information (VGI) are an unavoidable consequence of data collection by non-experts, guided ..

From small sets of GPS trajectories to detailed movement profiles: quantifying personalized trip-dependent movement diversity

Elham Naghizade, Jeffrey Chan, Martin Tomko

Journal article  |  2020  |  INTERNATIONAL JOURNAL OF GEOGRAPHICAL INFORMATION SCIENCE

The ubiquity of personal sensing devices has enabled the collection of large, diverse, and fine-grained spatio-temporal datasets. ..

Privacy- And context-aware release of trajectory data

E Naghizade, L Kulik, E Tanin, J Bailey

Journal article  |  2020  |  ACM Transactions on Spatial Algorithms and Systems

The availability of large-scale spatio-temporal datasets along with the advancements in analytical models and tools have created a..

Service quality monitoring in confined spaces through mining Twitter data

Mohammad Masoud Rahimi, Elham Naghizade, Mark Stevenson, Stephan Winter

Journal article  |  2020  |  JOURNAL OF SPATIAL INFORMATION SCIENCE

Promoting public transport depends on adapting effective tools for concurrent monitoring of perceived service quality. Social medi..

Fast and Accurate Time Series Classification Through Supervised Interval Search

Nestor Cabello, Elham Naghizade, Jianzhong Qi, Lars Kulik

Conference Proceedings  |  2020  |  20TH IEEE INTERNATIONAL CONFERENCE ON DATA MINING (ICDM 2020)

Time series classification (TSC) aims to predict the class label of a given time series. Modern applications such as appliance mod..

The Effectiveness of Sentiment Analysis for Detecting Fine-grained Service Quality

Mohammad Rahimi, Elham Naghi Zadeh Kakhki, Stephan Winter, Mark Stevenson

Conference Proceedings  |  2019  |  GeoComputation 2019 proceeding

Improving public transport relies on the development of appropriate tools for measuring and monitoring service quality. While ther..

Show Me a Safer Way: Detecting Anomalous Driving Behavior Using Online Traffic Footage

Xiao Zheng, Fumi Wu, Weizhang Chen, Elham Naghizade, Kourosh Khoshelham

Journal article  |  2019  |  INFRASTRUCTURES

Real-time traffic monitoring is essential in many novel applications, from traffic management to smart navigation systems. The lar..