| 2009 | ||
|---|---|---|
| 2 | Hele-Mai Haav, Aivi Kaljuvee, Martin Luts, Toivo Vajakas: Ontology-Based Retrieval of Spatially Related Objects for Location Based Services. OTM Conferences (2) 2009: 1010-1024 | |
| 2008 | ||
| 1 | Hele-Mai Haav, Ahto Kalja, Peep Küngas, Martin Luts: Ensuring Large-Scale Semantic Interoperability: The Estonian Public Sector's Case Study. DB&IS 2008: 117-128 | |
| 1 | Hele-Mai Haav | [1] [2] |
| 2 | Ahto Kalja | [1] |
| 3 | Aivi Kaljuvee | [2] |
| 4 | Peep Küngas | [1] |
| 5 | Toivo Vajakas | [2] |