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He, B.; Ounis, I.: Combining fields for query expansion and adaptive query expansion (2007)
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- Information processing and management. 43(2007) no.5, S.1294-1307
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Chang, Y.; Ounis, I.; Kim, M.: Query reformulation using automatically generated query concepts from a document space (2006)
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- Information processing and management. 42(2006) no.2, S.453-468
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Cacheda, F.; Carneiro, V.; Plachouras, V.; Ounis, I.: Performance analysis of distributed information retrieval architectures using an improved network simulation model (2007)
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- Information processing and management. 43(2007) no.1, S.204-224
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Lioma, C.; Ounis, I.: ¬A syntactically-based query reformulation technique for information retrieval (2008)
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- Information processing and management. 44(2008) no.1, S.143-162