Patentssearcher: a novel portal to search and explore patents. - Vagelis Hristidis; Eduardo J. Ruiz; Alejandro Hernández; Fernando Farfán; Ramakrishna Varadarajan (PaIR@CIKM, 2010)

Correlating financial time series with micro-blogging activity. - Eduardo J. Ruiz; Vagelis Hristidis; Carlos Castillo 001; Aristides Gionis; Alejandro Jaimes (WSDM, 2012)

Measuring and Summarizing Movement in Microblog Postings. - Eduardo J. Ruiz; Vagelis Hristidis; Carlos Castillo 001; Aristides Gionis (ICWSM, 2013)

Effective and Efficient Analysis on Internet-based Social Networks. - Eduardo J. Ruiz (2013)

Efficient Filtering on Hidden Document Streams. - Eduardo J. Ruiz; Vagelis Hristidis; Panagiotis G. Ipeirotis (ICWSM, 2014)

Facilitating Document Annotation Using Content and Querying Value. - Eduardo J. Ruiz; Vagelis Hristidis; Panagiotis G. Ipeirotis (IEEE Trans. Knowl. Data Eng., 2014)