Measuring Public Concern About COVID-19 Through Search Queries (Preprint)

Measuring the Effectiveness of Public Search Engines on Thai Queries

This paper compares the retrieval performance of seven public search engines on Thai queries by using a blind evaluation. Two of the engines used in this study are Thaifocused search services, while the remaining engines are large, commercial search engines that have wider collections of web data and support several languages. The results are compared by Mean average precision (MAP) and Mean re...

Is COVID-19 Infection Transmitted Through Food?

 Coronavirus disease (COVID) has had a growing outbreak around the world. China reported COVID-19 infection for the first time in December 2019. Symptoms of this disease often include respiratory symptoms, but gastrointestinal symptoms (nausea, vomiting, and diarrhea) were also reported in COVID-19 infection. Coronavirus transmits through direct droplets, contact, or fomites. However, other mod...

Science , ethics and public concern about animal welfare

Investigating People’s Anxieties and Concerns About COVID-19

Background: In January 2020, the World Health Organization (WHO) declared the COVID-19’s outbreak as an international public health emergency. In March 2020, WHO evaluation showed that COVID-19 could be considered a pandemic disease. Nowadays, the spread of COVID-19 threatens all aspects of human living conditions. In this regard, the objectives of this research are to investigate the anxieties...

Explicit Search Result Diversification through Sub-queries

Queries submitted to a retrieval system are often ambiguous. In such a situation, a sensible strategy is to diversify the ranking of results to be retrieved, in the hope that users will find at least one of these results to be relevant to their information need. In this paper, we introduce xQuAD, a novel framework for search result diversification that builds such a diversified ranking by expli...