Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies
if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the
same subfield and year (this is the minimum needed to enter the top 1%, not the average
within it), or reaches the top citation threshold in at least one of its specific research
topics.
The Probabilistic Relevance Framework: BM25 and Beyond
20091.5k citationsStephen Robertson, Hugo Zaragozaprofile →
Countries citing papers authored by Stephen Robertson
Since
Specialization
Citations
This map shows the geographic impact of Stephen Robertson's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Stephen Robertson with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Stephen Robertson more than expected).
Fields of papers citing papers by Stephen Robertson
This network shows the impact of papers produced by Stephen Robertson. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Stephen Robertson. The network helps show where Stephen Robertson may publish in the future.
Co-authorship network of co-authors of Stephen Robertson
This figure shows the co-authorship network connecting the top 25 collaborators of Stephen Robertson.
A scholar is included among the top collaborators of Stephen Robertson based on the total number of
citations received by their joint publications. Widths of edges
represent the number of papers authors have co-authored together.
Node borders
signify the number of papers an author published with Stephen Robertson. Stephen Robertson is excluded from
the visualization to improve readability, since they are connected to all nodes in the network.
Yılmaz, Emine, Milad Shokouhi, Nick Craswell, & Stephen Robertson. (2009). Incorporating user behavior information in IR evaluation. International ACM SIGIR Conference on Research and Development in Information Retrieval.8 indexed citations
5.
Azzopardi, Leif, Gabriella Kazai, Stephen Robertson, et al.. (2009). Advances in Information Retrieval Theory: Second International Conference on the Theory of Information Retrieval, ICTIR 2009 Cambridge, UK, September 10-12, ... Applications, incl. Internet/Web, and HCI. Springer eBooks.1 indexed citations
6.
Arampatzis, Avi, et al.. (2009). Where to stop reading a ranked list? Threshold optimization using truncated score distributions. Data Archiving and Networked Services (DANS).4 indexed citations
7.
Craswell, Nick, Dennis Fetterly, Marc Najork, Stephen Robertson, & Emine Yılmaz. (2009). Microsoft Research at TREC 2009. Web and Relevance Feedback Tracks. Text REtrieval Conference.20 indexed citations
8.
Buckley, Chris & Stephen Robertson. (2008). Relevance Feedback Track Overview: TREC 2008. Text REtrieval Conference.29 indexed citations
9.
Lu, Wei, Stephen Robertson, Andrew MacFarlane, & Le Zhao. (2007). Window based Enterprise Expert Search. City Research Online (City University London).8 indexed citations
10.
Robertson, Stephen, Steve Walker, & Hugo Zaragoza. (2001). Microsoft Cambridge at TREC-10: Filtering and Web Tracks.. Text REtrieval Conference.6 indexed citations
11.
Sakai, Tetsuya, Stephen Robertson, & Stephen Walker. (2001). Flexible Pseudo-Relevance Feedback for NTCIR-2.. NTCIR.2 indexed citations
12.
Gao, Jianfeng, Guihong Cao, Min Zhang, et al.. (2001). TREC-10 Web Track Experiments at MSRA.. Text REtrieval Conference.16 indexed citations
13.
Robertson, Stephen, Steve Walker, Hugo Zaragoza, & Ralf Herbrich. (2000). Microsoft Cambridge at TREC 2002: Filtering Track.. Text REtrieval Conference. 361–368.44 indexed citations
14.
Hull, David A. & Stephen Robertson. (1999). The TREC-8 Filtering Track Final Report.. Text REtrieval Conference. 35–56.27 indexed citations
15.
MacFarlane, Andrew, Stephen Robertson, & Julie A. McCann. (1999). PLIERS at VLC2. Text REtrieval Conference. 271–280.2 indexed citations
16.
Walker, Steve, Stephen Robertson, Mohand Boughanem, Gareth J. F. Jones, & Karen Spärck Jones. (1997). Okapi at TREC-6 automatic ad hoc, VLC, routing, filtering and QSDR. Text REtrieval Conference. 125–136.59 indexed citations
17.
Hancock‐Beaulieu, Micheline, et al.. (1990). Evaluation of online catalogues : an assessment of methods. OpenGrey (Institut de l'Information Scientifique et Technique).9 indexed citations
Robertson, Stephen, C. J. van Rijsbergen, & Martin Porter. (1980). Probabilistic models of indexing and searching. International ACM SIGIR Conference on Research and Development in Information Retrieval. 35–56.211 indexed citations
Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive
bibliographic database. While OpenAlex provides broad and valuable coverage of the global
research landscape, it—like all bibliographic datasets—has inherent limitations. These include
incomplete records, variations in author disambiguation, differences in journal indexing, and
delays in data updates. As a result, some metrics and network relationships displayed in
Rankless may not fully capture the entirety of a scholar's output or impact.