Achilleas Anagnostopoulos Papers on DiSC'04 NESTREAM: Querying Nested Streams Hierarchical Stream Aggregates: Querying Nested Stream Sessions Publications Note: Links lead to the DBLP on the Web. Achilleas Anagnostopoulos Damianos Chatziantoniou , Achilleas Anagnostopoulos: Hierarchical Stream Aggregates: Querying Nested Stream Sessions. SSDBM 2004 : 439-440 Damianos Chatziantoniou , Achilleas Anagnostopoulos: NESTREAM: Querying Nested Streams. SIGMOD Record 33 (3): 71-78 (2004) 1 [ 1 ] [ 2 ] ©2005 Association for Computing Machinery