Walid G. Aref Papers on DiSC'02 Irregularity in multi-dimensional space-filling curves with applications in multimedia databases Window Query Processing in Linear Quadtrees An Extensible Index for Spatial Databases Query Processing in Broadcasted Spatial Index Trees Publications Note: Links lead to the DBLP on the Web. Walid G. Aref 36 Dmitri V. Kalashnikov , Sunil Prabhakar , Susanne E. Hambrusch , Walid G. Aref: Efficient Evaluation of Continuous Range Queries on Moving Objects. DEXA 2002 : 731-740 35 Walid G. Aref, Khaled El-Bassyouni , Ibrahim Kamel , Mohamed F. Mokbel : Scalable QoS-Aware Disk-Scheduling. IDEAS 2002 : 256-265 34 Walid G. Aref, Ann Christine Catlin , Jianping Fan , Ahmed K. Elmagarmid , Moustafa A. Hammad , Ihab F. Ilyas , Mirette Marzouk , Xingquan Zhu : A Video Database Management System for Advancing Video Database Research. Multimedia Information Systems 2002 : 8-17 33 Christos Berberidis , Ioannis P. Vlahavas , Walid G. Aref, Mikhail J. Atallah , Ahmed K. Elmagarmid : On the Discovery of Weak Periodicities in Large Time Series. PKDD 2002 : 51-61 32 Ihab F. Ilyas , Walid G. Aref, Ahmed K. Elmagarmid : Joining Ranked Inputs in Practice. VLDB 2002 31 Sunil Prabhakar , Yuni Xia , Dmitri V. Kalashnikov , Walid G. Aref, Susanne E. Hambrusch : Query Indexing and Velocity Constrained Indexing: Scalable Techniques for Continuous Queries on Moving Objects. IEEE Transactions on Computers 51 (10): 1124-1140 (2002) 30 F. A. Kokkoras , Haitao Jiang , Ioannis P. Vlahavas , Ahmed K. Elmagarmid , Elias N. Houstis , Walid G. Aref: Smart VideoText: a video data model based on conceptual graphs. Multimedia Systems 8 (4): 328-338 (2002) 29 Walid G. Aref: ACM-GIS 2001, Proceedings of the Ninth ACM International Symposium on Advances in Geographic Information Systems, Atlanta, GA, USA, November 9-10, 2001. ACM 2001 28 Mohamed F. Mokbel , Walid G. Aref: Irregularity in Multi-Dimensional Space-Filling Curves with Applications in Multimedia Databases. CIKM 2001 : 512-519 27 Walid G. Aref, Ihab F. Ilyas : An Extensible Index for Spatial Databases. SSDBM 2001 : 49-58 26 Susanne E. Hambrusch , Chuan-Ming Liu , Walid G. Aref, Sunil Prabhakar : Query Processing in Broadcasted Spatial Index Trees. SSTD 2001 : 502-521 25 James Joshi , Walid G. Aref, Arif Ghafoor , Eugene H. Spafford : Security models for web-based applications. CACM 44 (2): 38-44 (2001) 24 Ashraf Aboulnaga , Walid G. Aref: Window Query Processing in Linear Quadtrees. Distributed and Parallel Databases 10 (2): 111-126 (2001) 23 James Joshi , Arif Ghafoor , Walid G. Aref, Eugene H. Spafford : Digital Government Security Infrastructure Design Challenges. IEEE Computer 34 (2): 66-72 (2001) 22 Walid G. Aref, Ihab F. Ilyas : SP-GiST: An Extensible Database Index for Supporting Space Partitioning Trees. JIIS 17 (2-3): 215-240 (2001) 21 Walid G. Aref, Ibrahim Kamel , Shahram Ghandeharizadeh : Disk Scheduling in Video Editing Systems. TKDE 13 (6): 933-950 (2001) 20 Elisa Bertino , Moustafa A. Hammad , Walid G. Aref, Ahmed K. Elmagarmid : An Access Control Model for Video Database Systems. CIKM 2000 : 336-343 19 Walid G. Aref, Ibrahim Kamel : On Multi-dimensional Sorting Orders. DEXA 2000 : 774-783 18 Wael M. Badawy , Walid G. Aref: On Local Heuristics to Speed Up Polygon-Polygon Intersection Tests. ACM-GIS 1999 : 97-102 17 Walid G. Aref, Daniel Barbará : Supporting Electronic Ink Databases. Information Systems 24 (4): 303-326 (1999) 16 Walid G. Aref, Hanan Samet : Efficient Window Block Retrieval in Quadtree-Based Spatial Databases. GeoInformatica 1 (1): 59-91 (1997) 15 Walid G. Aref, Hanan Samet : Cascaded Spatial Join Algorithms with Spatially Sorted Output. ACM-GIS 1996 : 17-24 14 Walid G. Aref, Daniel Barbará , Daniel P. Lopresti : Ink as a First-Class Datatype in Multimedia Databases. Multimedia Database System: Issues and Research Direction 1996 : 113-163 13 Walid G. Aref, Hanan Samet : A Window Retrieval Algorithm for Spatial Databases Using Quadtrees. ACM-GIS 1995 : 69- 12 Walid G. Aref, Daniel Barbará , Stephen Johnson , Sharad Mehrotra : Efficient Processing of Proximity Queries for Large Databases. ICDE 1995 : 147-154 11 Hanan Samet , Walid G. Aref: Spatial Data Models and Query Processing. Modern Database Systems 1995 : 338-360 10 Walid G. Aref, Daniel Barbará , Padmavathi Vallabhaneni : The Handwritten Trie: Indexing Electronic Ink. SIGMOD Conference 1995 : 151-162 9 Walid G. Aref, Ibrahim Kamel , Daniel P. Lopresti : On Handling Electronic Ink. ACM Computing Surveys 27 (4): 564-567 (1995) 8 Walid G. Aref, Hanan Samet : An Algorithm for Perspective Viewing of Objects Represented by Octrees. Computer Graphics Forum 14 (1): 59-66 (1995) 7 Walid G. Aref, Hanan Samet : A Cost Model for Query Optimization Using R-Trees. ACM-GIS 1994 : 0- 6 Walid G. Aref, Hanan Samet : Hashing by Proximity to Process Duplicates in Spatial Databases. CIKM 1994 : 347-354 5 Walid G. Aref, Hanan Samet : Estimating Selectivity Factors of Spatial Operations. FMLDO 1993 : 31-43 4 Walid G. Aref, Hanan Samet : Decomposing a Window into Maximal Quadtree Blocks. Acta Informatica 30 (5): 425-439 (1993) 3 Walid G. Aref, Hanan Samet : Extending a DBMS with Spatial Operations. SSD 1991 : 299-318 2 Walid G. Aref, Hanan Samet : Optimization for Spatial Query Processing. VLDB 1991 : 81-90 1 Walid G. Aref, Hanan Samet : Efficient Processing of Window Queries in The Pyramid Data Structure. PODS 1990 : 265-272 DiSC'02 © 2003 Association for Computing Machinery