Within any ecosystem, information sharing is essential. In this paper, the Swedish gravel road ecosystem studied, where plays a crucial role for effective management of operations and maintenance. However, efficient not enabled due to lack appropriate systems. For addressing issue, paper intends elicit needs stakeholders support design cloud-based system. The main purpose explore within ecosyst...

Information retrieval tries to identify relevant documents for an information need. The problems that an IR system should deal with include document indexing (which tries to extract important content from a document), user needs analysis (similar to document indexing but applied to a query), and their internal representation which makes them suitable for being explicitly manipulated by the corr...

In NTCIR-10, we participated in the subtask of Subtopic Mining. We classify test topics into two types: role-explicit topic and roleimplicit topic. According to the topic type, we devise different approaches to perform subtopic mining. Specifically, for roleexplicit topics, we propose an approach of modifier graph based subtopic mining. The key idea is that: The modifier graph corresponding to ...