We investigated the effect that the parameters of luminance distribution in fresh food have on our visual perception of its freshness. We took pictures of the degradation over 32 h in freshness of a cabbage. We used original images, which were patches of the pictures taken at different sampling hours, and artificially generated pictures, called "matched images," created by fitting the luminance...

Freshness perception has received recent consideration in the field of consumer science mainly because of its hedonic dimension, which is assumed to influence consumers' preference and behavior. However, most studies have considered freshness as a multisensory attribute of food and beverage products without investigating the cognitive mechanisms at hand. In the present review, we endorse a slig...

The work discusses nonmonotonicity in terms of trust management systems and presents model allowing for credential revocation in the Rolebased Trust-management Framework. A freshness constraints have been adopted into RT Framework in order to overcome nonmonotonicity and turn it to be temporarily monotonic. The proposed model allows for freshness requirements specification on policy level and u...

We consider the use of a cluster system for managing autonomous databases. In order to improve the performance of read-only queries, we strive to exploit user requirements on replica freshness. Assuming mono-master lazy replication, we propose a freshness model to help specifying the required freshness level for queries. We propose an algorithm to optimize the routing of queries on slave nodes ...

Freshness of fish in most markets was found to be the significant quality parameter. The state of fish freshness was assessed by various methods but most of them were costly, time-consuming and not user friendly tools which made the development of simple, easy, undemanding and reliable system for the evaluation of fish freshness unresolved goal. The findings of many researchers revealed that th...

With the advent of Internet Things (IoT), applications are becoming increasingly dependent on networks to not only transmit content at high throughput but also deliver it when is fresh , i.e., synchronized between source and destination. Existing studies have proposed metric age information (AoI) quantify freshness system designs that achieve low AoI. However, despite active research in this ar...

Freshness is a central security issue for cryptographic protocols and is the security goal violated by replay attacks. This paper is the first to formally define freshness and its attacks based on role instances and the attacker’s involvement, and is the first work to investigate the complexity of checking freshness. We discuss and prove a series of complexity results of checking freshness in s...

We consider the use of a cluster system with a shared nothing architecture for update-intensive autonomous databases. To optimize load balancing, we use optimistic database replication with freshness control. We propose a solution to transaction routing that preserves database and application autonomy and a cost model to estimate replica freshness. Then we propose an algorithm for transaction r...

Colour vision in primates is believed to be an adaptation for finding ripe fruit and young leaves. The contribution of the luminance distribution, which influences how humans evaluate the freshness of food, has not been explored with respect to the detection of subtle distinctions in food quality in non-human primates. We examined how chimpanzees, which are closely related to humans, perceive t...

Material perception studies focus on the analysis of visual cues that may underlie the ability to distinguish between the different properties of an object. Herein, we investigated the effects of luminance distribution on the perceived freshness of a strawberry independent from its colour information. We took photographs of the degradation of a strawberry over 169 hours in a controlled environm...