Bicycles are becoming an increasingly popular mean of transport. Being healthy and affordable, they provide a sustainable alternative way movement, for both leisure work commuting. In cases demand increases when bike devoted tracks available. Providing trails that connect touristic spots is cheap increasing the appeal promoting development those regions featuring beautiful landscapes, strong cultural traditions, historical monuments within small area. This case Trebon region, South Bohemia,...

This study concerns the optimal design of cycle tourist itineraries considering several classes users. It builds upon a recent work which first introduced problem designing most attractive itinerary for tourists connecting given origin to destination, subject budget and time constraint. Starting from network made existing cycle-trails, gravel paths, unsurfaced field roads, local administrators face selecting budget-compliant set edges be reconditioned turned into paved bike trails. Indeed,...

We address a particular pickup and delivery vehicle routing problem arising in the collection disposal of bulky recyclable waste. Containers different types, used to collect waste materials, once full, must be picked up emptied at suitable plants replaced by empty containers alike. All requests served, routes are subject maximum duration constraint. Minimizing number vehicles is main objective, while minimizing total route secondary objective. The belongs class rollon–rolloff problems...

The high quality standards required by third-generation systems can be reached only way of a careful tuning all the parameters antenna configurations. However, concerns about exposure to electromagnetic fields should also taken into account when designing telecommunication networks. In this article we investigate how parallel cooperative meta-heuristics provide means achieve both goals: devising complete network configuration that meets coverage and service constraints, minimizing field levels

Abstract This paper presents a new application of logic programming to real-life problem in hydraulic engineering. The work is developed as collaboration computer scientists and engineers, applies Constraint Logic Programming solve hard combinatorial problem. deals with one aspect the design water distribution network, i.e., valve isolation system design. We take formulation by Giustolisi Savić (2008 Optimal for networks. In Proceedings 10th Annual Water Distribution Systems Analysis...

Journal Article An ASP approach for the valves positioning optimization in a water distribution system Get access Marco Gavanelli, Gavanelli EnDiF, Università degli Studi di Ferrara via G. Saragat 1 – 44122, Ferrara, Italy. Search other works by this author on: Oxford Academic Google Scholar Maddalena Nonato, Nonato Andrea Peano of Logic and Computation, Volume 25, Issue 6, December 2015, Pages 1351–1369, https://doi.org/10.1093/logcom/ext065 Published: 04 2013 history Received: 05 October 2012

Pre-admission testing clinics are care units serving outpatients prior to surgical operation and performing procedure-specific tests prepare them. Patients may need multiple tests, each performed by a specialized operator delivered in any order. Exam rooms act as renewable resources: limited, administered patients inside the rooms, individually, occupy room until all required completed. Careful scheduling of patient appointments is essential clinic management for both provider: on one hand,...

This paper proposes an innovative procedure for identifying, in the event of accidental or intentional contamination a water distribution system, optimal scheduling activation pre-selected set flow control devices which will serve to minimise volume contaminated consumed by users after detection contaminant system. The constraints are represented number available response teams and maximum speed at these can travel along roadway. device is sought means optimisation process based on genetic...

Modern societies rely upon massive supplies of large amounts commodities, some which imply the use hazardous materials (hazmat). A crucial step in hazmat life cycle is transportation. An accident en route a "low probability - high consequences" event and much effort has been devoted to development risk mitigation strategies. In this paper we are concerned with transportation by truck on road network, where several alternative itineraries from origin destination worthy choice. Given set...

The recent interest in emerging interconnect technologies is bringing the issue of a proper EDA support for them to forefront, so tackle design complexity. A relevant case study provided by wavelength-routed optical NoCs (WRONoCs), which add communication performance guarantees typical latency, throughput and power benefits an link, thus providing appealing technology photonic integration high-end embedded systems. Typically, only abstract WRONoC models are considered figure out...

We present the symmetric traveling salesman problem with generalized latency (TSP-GL) a new arising in planning of important class semiflexible transit systems. The TSP-GL can be seen as very challenging variant (S-TSP), where objective function combines usual cost circuit routing component accounting for passenger travel times. main contributions paper include formulation problems terms multicommodity flows, study its mathematical properties, and introduction branch-and-cut approach based...

Abstract Chronic patients suffering from non-communicable diseases are often enrolled into a diagnostic and therapeutic care program featuring personalized plan. Healthcare is mostly provided at the patient’s home, but those examinations treatments that must be delivered hospital have to explicitly booked. Booking not trivial due to, on one hand, several time constraints become particularly tight in case of comorbidity, other limited availability both staff equipment units. This suggests...

The demand-adaptive systems studied in this paper attempt to offer demand-responsive services within the framework of traditional scheduled bus transportation: Users call request service between two given points and, so doing, induce detours vehicle routes; at same time, though, a set compulsory stops is always served according predefined schedule, regardless current active requests. model developed select requests and determine routing yields difficult formulation but with special structure...