Mobile phones are one of the most commonly owned personal electronic devices and they contain about 15 different metals, mostly extracted with severe negative environmental externalities. Sourcing metals from retired mobile phones, i.e. urban mining, could alleviate these effects. In this study, we analyse viability mining in Switzerland using a representative survey 2,500 Swiss respondents an ...

Information Gathering is becoming a tool more and more important for network information process as well as Information Retrieval (IR) and Information Filtering (IF). In order to enhance the ratio of relevant information to the whole information gathered from network, relevance estimation must be carried out in the course of gathering. Information Gathering Systems must estimate the relevance o...

In recent years the availability of automatically generated spatial information of various kinds has developed dramatically. Route descriptions of diverse kinds can be obtained from many different sources and across different modalities, and maps and geographic information can be accessed in multifarious ways. Although this is situation improves the information availability and accessibility— t...

Consumer health information search (CHIS) is a forum of information retrieval that has organized two tasks to be performed. The first task includes the identification that whether a given query is relevant or irrelevant to the sentences available in the document. The second tasks talks about finding the nature of support of a sentence in the document to the query. Task 1 i.e identification of r...