| 2012 | WEBIST | Topic-specific Web Searching based on a Real-text Dictionary. | Ari Pirkola |
| 2012 | WEBIST | Real-Text Dictionary for Topic-Specific Web Searching. | Ari Pirkola |
| 2010 | SAC | Addressing the limited scope problem of focused crawling using a result merging approach. | Ari Pirkola, Tuomas Talvensaari |
| 2009 | WEBIST | Effects of Crawling Strategies on the Performance of Focused Web Crawling. | Ari Pirkola, Tuomas Talvensaari |
| 2008 | ECIR | A Novel Implementation of the FITE-TRT Translation Method. | Aki Loponen, Ari Pirkola, Kalervo Jrvelin, Heikki Keskustalo |
| 2008 | SIGIR | Intuition-supporting visualization of user's performance based on explicit negative higher-order relevance. | Heikki Keskustalo, Kalervo Jrvelin, Ari Pirkola, Jaana Keklinen |
| 2006 | ECIR | The Effects of Relevance Feedback Quality and Quantity in Interactive Relevance Feedback: A Simulation Based on User Modeling. | Heikki Keskustalo, Kalervo Jrvelin, Ari Pirkola |
| 2006 | SAC | FITE-TRT: a high quality translation technique for OOV words. | Ari Pirkola, Jarmo Toivonen, Heikki Keskustalo, Kalervo Jrvelin |
| 2003 | SIGIR | Fuzzy translation of cross-lingual spelling variants. | Ari Pirkola, Jarmo Toivonen, Heikki Keskustalo, Kari Visala, Kalervo Jrvelin |
| 2003 | SPIRE | Non-adjacent Digrams Improve Matching of Cross-Lingual Spelling Variants. | Heikki Keskustalo, Ari Pirkola, Kari Visala, Erkka Leppnen, Kalervo Jrvelin |
| 1998 | SIGIR | The Effects of Query Structure and Dictionary Setups in Dictionary-Based Cross-Language Information Retrieval. | Ari Pirkola |