The Dangers of Poorly Connected Peers in Structured P2P Networks and a Solution Based on Incentives. - Björn-Oliver Hartmann; Klemens Böhm; Andranik Khachatryan; Stephan Schosser (Web Intelligence, 2007)

Quantifying uncertainty in multi-dimensional cardinality estimations. - Andranik Khachatryan; Klemens Böhm (CIKM, 2010)

Result-size estimation for information-retrieval subqueries. - Guido Sautter; Klemens Böhm; Andranik Khachatryan (CIKM, 2010)

Incentivizing connectivity in structured Peer-to-Peer systems. - Björn-Oliver Hartmann; Klemens Böhm; Andranik Khachatryan; Stephan Schosser; Bodo Vogt (Web Intell. Agent Syst., 2010)

Accurate Cost Estimation Using Distribution-Based Cardinality Estimates for Multi-dimensional Queries. - Andranik Khachatryan; Klemens Böhm (SSDBM, 2011)

Efficient Selectivity Estimation by Histogram Construction Based on Subspace Clustering. - Andranik Khachatryan; Emmanuel Müller; Klemens Böhm; Jonida Kopper (SSDBM, 2011)

Sensitivity of Self-tuning Histograms: Query Order Affecting Accuracy and Robustness. - Andranik Khachatryan; Emmanuel Müller; Christian Stier; Klemens Böhm (SSDBM, 2012)

Clustering-Initialized Adaptive Histograms and Probabilistic Cost Estimation for Query Optimization. - Andranik Khachatryan (2012)

Improving Accuracy and Robustness of Self-Tuning Histograms by Subspace Clustering. - Andranik Khachatryan; Emmanuel Müller; Christian Stier; Klemens Böhm (IEEE Trans. Knowl. Data Eng., 2015)

Optimal alphabet for single text compression. - Armen E. Allahverdyan; Andranik Khachatryan (Inf. Sci., 2023)