Online reviews explain differences in coastal and inland tourists' satisfaction.

To achieve a comprehensive understanding of the factors influencing tourist satisfaction, there has recently been an increasing interest in the information provided by online reviews. In this regard, a rather unexplored issue concerns the causal relationship between topics and emotions expressed by consumers in the written text and their overall quality assessment given through a rating system. This study aims to contribute to filling this gap by investigating whether there are differences between coastal and inland Sardinian hotels in the topics and emotions expressed by online reviewers and how both affect customer satisfaction.

Taxonomic insights into ethereum smart contracts by linking application categories to security vulnerabilities.

The expansion of smart contracts on the Ethereum blockchain has created a diverse ecosystem of decentralized applications. This growth, however, poses challenges in classifying and securing these contracts. Existing research often separately addresses either classification or vulnerability detection, without a comprehensive analysis of how contract types are related to security risks.

Smart contracts software metrics: A first study.

Smart contracts (SC) are software programs that reside and run over a blockchain. The code can be written in different languages with the common purpose of implementing various kinds of transactions onto the hosting blockchain. They are ruled by the blockchain infrastructure with the intent to automatically implement the typical conditions of traditional contracts.

VGLM proportional odds model to infer hosts' Airbnb performance.

We investigated aspects of host activities that influence and enhance host performance in an effort to achieve best results in terms of the occupancy rate and the overall rating. The occupancy rate measures the percentage of reserved days with respect to available days. The overall rating identifies the satisfaction level of guests that booked an Airbnb accommodation.

Topic based quality indexes assessment through sentiment.

This paper proposes a new methodology called TOpic modeling Based Index Assessment through Sentiment (TOBIAS). This method aims at modeling the effects of the topics, moods, and sentiments of the comments describing a phenomenon upon its overall rating. TOBIAS is built combining different techniques and methodologies.