OBJECTIVE To describe the sources of internal company documents used in public health and healthcare research. METHODS We searched PubMed and Embase for articles using internal company documents to address a research question about a health-related topic. Our primary interest was where authors obtained internal company documents for their research. We also extracted information on type of com...

In this paper I provide some important information search models. This covers traditional and novel methods. An Information Retrieval (IR) System, which only returns documents containing the keywords in user query in high frequency, does not satisfy the user’s information need. Infact, the user is more concerned with receiving the documents, contain the information he needs than with receiving ...

background: short golden time is important to save the injured in earthquake and to start search and rescue (sar) operation as soon as possible in affected regions. this study evaluated application of geographic information system (gis) for sar operation in rigan town, kerman province, which was hit by an earthquake of 6.3 richter scale on december 12, 2010 at 22:12. materials and methods: a gi...

Web search engines are tools employed to find specific information in the Internet. However, they also represent a threat for the privacy of their users. This happens because the web search engines store and analyze the personal information that the users reveal in their queries. In order to avoid this privacy threat, it is necessary to provide mechanisms that protect the users of these tools. ...