This paper proposes a solution to a problem frequently asked in the field of the information
search on the Web that is the ambiguity of user queries. The exploitation of the current …

In this paper, we propose a contextual modelling of the user browsing behaviour aiming to
identify the user's information needs from his real-time context focusing on two parameters …

Within Mobile information retrieval research, context information provides an important basis
for identifying and understanding user's information needs. Therefore search process can …

One of the main interests in the Web Information Retrieval research area is the identification
of the user interests and needs so the search engines and tools can help the users to …

Recently, the Web has made dramatic impact on our lives becoming for many people a main
information source. We believe that the continuous study of user needs and their search …

The motive of this thesis is the desire to facilitate Information Retrieval Technology based on
user profile and context, by using approaches and operators used in the field of Information …

Searching for information on the Web engages the user in a process of interrogating and
querying the chosen search engine. However, the initial user's query rarely returns a result …

Today, there is a real challenge in accessing relevant information on the Web according to
the user's needs and the context. There are always certain needs behind the user query and …

In this paper, we investigate the problem of improving the relevance of a Web search engine
by adapting it to the dynamic needs of the user. We examine a representative case of …

The recent development of communication networks and multimedia system provides users
with the availability of a huge amount of information making worse the problem of …