Ho Chi Minh City, Vietnam’s largest city, supports a vibrant street food culture. Most of the city’s street-engaged traders are poor and unskilled women, there is scant research about how they build social networks capital that sustain their microbusinesses. This article focusses on intimate socialities develop with customers, shop owners sister-traders in order to stabilise incomes while infor...

revenue management is the process of accepting or ordering which increases gained revenue by using different techniques of pricing and selling capacity. this technique has improved greatly in service sector specially passenger section. in this article, the process of selling ticket in tehran-mashhad route for ghazal passenger train is modeled by two methods: static multi class and heuristic ems...

Spam has been a major tool for criminals to conduct illegal activities on the Internet, such as stealing sensitive information, selling counterfeit goods, distributing malware, etc. The astronomical amount of spam data has rendered its manual analysis impractical. Moreover, most of the current techniques are either too complex to be applied on a large amount of data or miss the extraction of vi...

Contracts often take the form of options: oil fields can be abandoned, planning permission may go unused, and acquired firms can be liquidated. We consider a seller who auctions a dynamic option among N agents. After the auction, the economy evolves and the winning bidder chooses both if and when to execute the option. The revenue-maximising auction consists of an up-front bid and a contingent ...

In recent years, NFTs have burst onto the global scene, quickly going from an internet meme to a multi-billion dollar digital industry. These assets everyone talking, but nobody seems know what they are or whether you actually own anything when buy one. This article uses extensive philosophical, legal, copyright, and empirical research explore is being purchased with NFT. With everything morale...