| 2009 | 
|---|
| 3 | EE | Symeon Papadopoulos,
Fotis Menemenis,
Yiannis Kompatsiaris,
Ben Bratu:
Lexical Graphs for Improved Contextual Ad Recommendation.
ECIR 2009: 216-227 | 
| 2008 | 
|---|
| 2 | EE | Joan Codina,
Emanuele Pianta,
Stefanos Vrochidis,
Symeon Papadopoulos:
Integration of Semantic, Metadata and Image Search Engines with a Text Search Engine for Patent Retrieval.
SemSearch 2008: 14-28 | 
| 2007 | 
|---|
| 1 |  | Mark Giereth,
Steffen Koch,
Yiannis Kompatsiaris,
Symeon Papadopoulos,
Emanuele Pianta,
Luciano Serafini,
Leo Wanner:
A Modular Framework for Ontology-based Representation of Patent Information.
JURIX 2007: 49-58 |