OBJECTIVE To quantify the use of question marks in titles of published studies. DESIGN AND SETTING Literature review. PARTICIPANTS All Pubmed publications between 1 January 2013 and 31 December 2013 with an available abstract. Papers were classified as being clinical when the search terms clin*, med* or patient* were found anywhere in the paper's title, abstract or the journal's name. Other...

In spite of enormous previous efforts to model the growth of various networks, there have only been a few works that successfully describe the evolution of latent networks. In a latent network edges do not represent interactions between nodes, but show some proximity values. In this paper we analyze the structure and evolution of latent networks over time by looking at a wide range of document ...

The main application of U.S. National Library of Medicine's Medical Text Indexer (MTI) is to provide indexing recommendations to the Library's indexing staff. The current input to MTI consists of the titles and abstracts of articles to be indexed. This study reports on an extension of MTI to the full text of articles appearing in online medical journals that are indexed for Medline. Using a col...

Titles in this series are co-published with the Mathematical Sciences Research Institute (MSRI).

We attempted to eliminate non-relevant papers from results of PubMed searches for each topic. The system is called PETER (PubMed Enhancer Toward Efficient Research) and it works as follows. 1. get LocusLink IDs manually. 2. collect information of gene names (AKA synonyms) from public databases. 3. make synonym variations automatically. 4. search papers by PubMed with each synonym. 5. extract ti...

Recent rapid growth in electronic book sales has raised a critical question for publishers and bookstores: do e-books cannibalize or increase print sales? In this article, we compare the best-selling titles sold on www.Amazon.com in print or electronic Kindle formats during the period from November 2007 to July 2010. Using econometric methods, we find that the cannibalization of print sales by ...

The investigation reported here examined scientific publications from Barbados, Jamaica, and Trinidad and Tobago over the period 1976-1990. Its purpose was to provide new information about Caribbean research in the health field through assessment of published works. To this end a broad array of journal subject categories was examined using SCISEARCH, an international index of medical and scient...

This paper describes some experiments carried out to measure sentiment, which we call emotional reaction, on blog headlines. We analyze a text corpus of titles from Facebook entries or posts linking to a website. These titles are basically headlines and we study them to understand the relationship between article headlines and the self-reported reactions of the articles’ readers. We utilize the...

This article describes the work carried out over the database of questions belonging to the different opinion polls carried out over the last 50 years in Spain. Approximately half of the questions are provided with a title while the other half is untitled. It is described the work and techniques implemented in order to automatically generate the titles for the corpus of untitled questions. The ...