Which local search operator works best for the open-loop TSP?

L Sengupta, R Mariescu-Istodor, P Fränti - Applied Sciences, 2019 - mdpi.com
The traveling salesman problem (TSP) has been widely studied for the classical closed-loop
variant. However, very little attention has been paid to the open-loop variant. Most of the …

[HTML][HTML] Learn global and optimize local: A data-driven methodology for last-mile routing

M Ghosh, A Kuiper, R Mahes, D Maragno - Computers & Operations …, 2023 - Elsevier
In last-mile routing, the task of finding a route is often framed as a Traveling Salesman
Problem to minimize travel time and associated cost. However, solutions stemming from this …

Converting MST to TSP path by branch elimination

P Fränti, T Nenonen, M Yuan - Applied Sciences, 2020 - mdpi.com
Travelling salesman problem (TSP) has been widely studied for the classical closed loop
variant but less attention has been paid to the open loop variant. Open loop solution has …

[PDF][PDF] Efficiency of Web Crawling for Geotagged Image Retrieval.

N Fazal, KQ Nguyen, P Fränti - Webology, 2019 - pdfs.semanticscholar.org
The purpose of this study was to find the efficiency of a web crawler for finding geotagged
photos on the internet. We consider two alternatives:(1) extracting geolocation directly from …

Puzzle-Mopsi: A location-puzzle game

P Fränti, L Kong - 2023 - erepo.uef.fi
This paper presents a new class of games: location puzzle games. It combines puzzle
games with the use of the geographical location. The game class is closely related to …

[PDF][PDF] Mopsi location-based service

P Fränti - Applied Computing and Intelligence, 2024 - aimspress.com
Mopsi is a location-based platform for storing photos and GPS tracks of the users. It allowed
user to share their data on-line with real-time user location, communicate with other users …

A 1.5-Approximation for Symmetric Euclidean Open Loop TSP

A Chauhan - IEEE Access, 2024 - ieeexplore.ieee.org
Travelling Salesman Problem (TSP) is NP-hard and therefore lacks efficient algorithm that
provides optimal solution. So far, a benchmark in this area is Christofides' Algorithm, which …

Comparison of eleven measures for estimating difficulty of open-loop TSP instances

L Sengupta, P Fränti - 2021 - dspace.uef.fi
From the theory of algorithms, we know that the time complexity of finding the optimal
solution for a traveling salesman problem (TSP) grows exponentially with the number of …

Predicting the difficulty of TSP instances using MST

L Sengupta, P Fränti - 2019 IEEE 17th International Conference …, 2019 - ieeexplore.ieee.org
The efforts needed to solve travelling salesman problems (TSP) obviously depend on the
problem size. However, also other factors can predict the difficulty of a given problem …

Fast travel-distance estimation using overhead graph

R Mariescu-Istodor, P Fränti - Journal of Location Based Services, 2021 - Taylor & Francis
Shortest path can be computed in real-time for single navigational instructions. However, in
complex optimisation tasks, lots of travel-distances (lengths of shortest paths) are needed …