1. AN APPROACH ON SEMANTIC QUERY OPTIMIZATION FOR DEDUCTIVE DATABASES. Authors: ADRIAN ONEŢ.2. INTENSIONAL LOGIC TRANSLATION FOR QUANTITATIVE NATURAL LANGUAGE SENTENCES. Authors: ADRIAN ONEŢ, DOINA TĂTAR.3. SEMANTIC ANALYSIS IN DIALOGUE INTERFACES. Authors: ADRIAN ONEŢ, DOINA TĂTAR.4. SEMANTIC REPRESENTATION OF THE QUANTITATIVE NATURAL LANGUAGE SENTENCES. Authors: ADRIAN ONEŢ, DOINA TĂTAR.5. AN APPROACH ON MULTILEVEL TEXT MINING. Authors: ADRIAN ONEŢ.