Erkka Leppänen

According to our database, Erkka Leppänen authored at least 4 papers between 2002 and 2003.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of five.

2003

TREC 2003 Genomics Track Experiments at UTA: Query Expansion with Predefinded High Frequency Terms.

Ari Pirkola, Erkka Leppänen

Proceedings of The Twelfth Text REtrieval Conference, 2003

Non-adjacent Digrams Improve Matching of Cross-Lingual Spelling Variants.

Heikki Keskustalo, Ari Pirkola, Kari Visala, Erkka Leppänen, Kalervo Järvelin

Proceedings of the String Processing and Information Retrieval, 2003

2002

The RATF formula (Kwok's formula): exploiting average term frequency in cross-language retrieval.

Ari Pirkola, Erkka Leppänen, Kalervo Järvelin

Inf. Res., 2002

Targeted s-gram matching: a novel n-gram matching technique for cross- and mono-lingual word form variants.

Ari Pirkola, Heikki Keskustalo, Erkka Leppänen, Antti-Pekka Känsälä, Kalervo Järvelin

Inf. Res., 2002