These days the technique of data fusion has been used extensively in many different
application areas and information retrieval is one of them. As early as 1980's, researchers …

Peer-to-peer technology is widely used for file sharing. In the past decade a number of
prototype peer-to-peer information retrieval systems have been developed. Unfortunately …

This paper develops algorithms for improved source selection in social sensing applications
that exploit social networks (such as Twitter, Flickr, or other mass dissemination networks) …

随着互联网数据爆炸式的增长, 信息检索系统逐步采用分布式多数据源架构存储数据,
在关键字检索时, 选择与用户查询的关键字相关度大的数据源进行查询对提高检索效率显得格为 …

With the proliferation of XML data, searching XML data using keyword queries has attracted
much attention. However, most of the current approaches focus on keyword-based searches …

The thesis investigates how content produced by end-users on the World Wide Web—
referred to as user-generated content—can enhance the news vertical aspect of a universal …

Quickly providing search results for queries is an important feature of any large-scale web
search engine. In this chapter we investigate distributed demand-driven search result …

Submission note: A thesis submitted in total fulfilment of the requirements for the degree of
Doctor of Philosophy to the School of Engineering and Mathematical Sciences, Faculty of …

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작업은 더욱 어려워지고 있다. 일반적으로, 사용자들은 질의어에 대해 검색 엔진에서 산출한 …