16 citations · 28 across the 14 of their papers we have counts for
5 papers · 1 filter
Efficient Computation of Trip-based Group Nearest Neighbor Queries (Full Version)
Shahiduz Zaman, Tanzima Hashem, Sukarna Barua
In recent years, organizing group meetups for entertainment or other necessities has gained significant importance, especially given the busy nature of daily schedules. People ofte…
A Crowd-enabled Solution for Privacy-Preserving and Personalized Safe Route Planning for Fixed or Flexible Destinations (Full Version)
Fariha Tabassum Islam, Tanzima Hashem, Rifat Shahriyar
Ensuring travelers' safety on roads has become a research challenge in recent years. We introduce a novel safe route planning problem and develop an efficient solution to ensure th…
Safest Nearby Neighbor Queries in Road Networks (Full Version)
Punam Biswas, Tanzima Hashem, Muhammad Aamir Cheema
Traditional route planning and k nearest neighbors queries only consider distance or travel time and ignore road safety altogether. However, many travellers prefer to avoid risky o…
Shared Execution of Path Queries on Road Networks
Hossain Mahmud, Ashfaq Mahmood Amin, Mohammed Eunus Ali +1
The advancement of mobile technologies and the proliferation of map-based applications have enabled a user to access a wide variety of services that range from information queries…
Privacy Preserving Moving KNN Queries
Tanzima Hashem, Lars Kulik, Rui Zhang
We present a novel approach that protects trajectory privacy of users who access location-based services through a moving k nearest neighbor (MkNN) query. An MkNN query continuousl…