Walid Galal Aref

Q: What Schools Are Affiliated With Walid Galal Aref

Walid Galal Aref is affiliated with the following schools: Florida International University, Purdue University

Walid Galal Aref's AcademicInfluence.com Rankings

Walid Galal Aref

Computer Science

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#10177

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Algorithms

#395

World Rank

#400

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Database

#6664

World Rank

#6899

Historical Rank

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Computer Science

Walid Galal Aref's Degrees

Bachelors Computer Science Cairo University

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Walid Galal Aref's Published Works

Number of citations in a given year to any of this author's works

Total number of citations to an author for the works they published in a given year. This highlights publication of the most important work(s) by the author

Published Works

Casper*: Query processing for location services without compromising privacy (2006) (1316)
Automatic image segmentation by integrating color-edge extraction and seeded region growing (2001) (647)
SINA: scalable incremental processing of continuous queries in spatio-temporal databases (2004) (445)
Query Indexing and Velocity Constrained Indexing: Scalable Techniques for Continuous Queries on Moving Objects (2002) (379)
SEA-CNN: scalable processing of continuous k-nearest neighbor queries in spatio-temporal databases (2005) (333)
Security models for web-based applications (2001) (316)
Digital Government Security Infrastructure Design Challenges (2001) (290)
Periodicity detection in time series databases (2005) (242)
Spatio-Temporal Access Methods (2003) (208)
Scheduling for shared window joins over data streams (2003) (191)
A Distributed Access Control Architecture for Cloud Computing (2012) (166)
ClassView: hierarchical video shot classification, indexing, and accessing (2004) (158)
Supporting top-kjoin queries in relational databases (2004) (157)
LocationSpark: A Distributed In-Memory Data Management System for Big Spatial Data (2016) (151)
Hash-merge join: a non-blocking join algorithm for producing fast and early join results (2004) (144)
Supporting views in data stream management systems (2010) (139)
Nile: a query processing engine for data streams (2004) (138)
Rank-aware query optimization (2004) (138)
Continuous Query Processing of Spatio-Temporal Data Streams in PLACE (2005) (134)
Spatio-Temporal Access Methods: Part 2 (2003 - 2010) (2010) (130)
Efficient processing of window queries in the pyramid data structure (1990) (128)
SOLE: scalable on-line execution of continuous queries on spatio-temporal data streams (2008) (119)
The New Casper: A Privacy-Aware Location-Based Database Server (2007) (118)
Mining Association Rules in Large Databases (2004) (116)
WARP: time warping for periodicity detection (2005) (112)
Joining Ranked Inputs in Practice (2002) (105)
Stream window join: tracking moving objects in sensor-network databases (2003) (105)
Incremental, online, and merge mining of partial periodic patterns in time-series databases (2004) (103)
Efficient Evaluation of Continuous Range Queries on Moving Objects (2002) (100)
Analysis of Multi-Dimensional Space-Filling Curves (2003) (98)
Multiple and Partial Periodicity Mining in Time Series Databases (2002) (94)
Extending a DBMS with Spatial Operations (1991) (91)
Exploring video content structure for hierarchical summarization (2004) (89)
Incremental Evaluation of Sliding-Window Queries over Data Streams (2007) (86)
A Survey of Shortest-Path Algorithms (2017) (79)
Spatial computing (2015) (79)
Query Processing in Broadcasted Spatial Index Trees (2001) (78)
R-trees with Update Memos (2006) (77)
AQWA: Adaptive Query-Workload-Aware Partitioning of Big Spatial Data (2015) (75)
Online Piece-wise Linear Approximation of Numerical Streams with Precision Guarantees (2009) (73)
Optimization for Spatial Query Processing (1991) (72)
MultiView: Multilevel video content representation and retrieval (2001) (71)
SP-GiST: An Extensible Database Index for Supporting Space Partitioning Trees (2001) (67)
M3: Stream Processing on Main-Memory MapReduce (2012) (67)
Accuracy-Constrained Privacy-Preserving Access Control Mechanism for Relational Data (2014) (66)
The similarity join database operator (2010) (65)
PLACE: A Query Processor for Handling Real-time Spatio-temporal Data Streams (2004) (64)
NILE-PDT: A Phenomenon Detection and Tracking Framework for Data Stream Management Systems (2005) (63)
Exploiting predicate-window semantics over data streams (2006) (63)
Adaptive rank-aware query optimization in relational databases (2006) (63)
Spatial Data Models and Query Processing (1995) (62)
2018 IEEE International Conference on Data Mining (ICDM) (2018) (59)
Similarity queries: their conceptual evaluation, transformations, and processing (2013) (56)
LUGrid: Update-tolerant Grid-based Indexing for Moving Objects (2006) (56)
Web Scraping (2009) (55)
Using Convolution to Mine Obscure Periodic Patterns in One Pass (2004) (54)
The RUM-tree: supporting frequent updates in R-trees using memos (2009) (54)
Databases deepen the Web (2004) (53)
Tornado: A Distributed Spatio-Textual Stream Processing System (2015) (52)
Efficient Execution of Sliding-Window Queries Over Data Streams (2003) (51)
An access control model for video database systems (2000) (51)
Towards scalable location-aware services: requirements and research issues (2003) (50)
Scalable spatio-temporal continuous query processing for location-aware services (2004) (49)
An improved automatic isotropic color edge detection technique (2001) (47)
On the Discovery of Weak Periodicities in Large Time Series (2002) (45)
SimDB: a similarity-aware database system (2010) (43)
GPAC: generic and progressive processing of mobile queries over mobile data (2005) (42)
Detection and Tracking of Discrete Phenomena in Sensor-Network Databases (2005) (39)
Performance of multi-dimensional space-filling curves (2002) (38)
Similarity Group-By (2009) (37)
Place: A Distributed Spatio-Temporal Data Stream Management System for Moving Objects (2007) (34)
Supporting annotations on relations (2009) (34)
Continuous aggregate nearest neighbor queries (2011) (34)
Spatio-temporal access methods: a survey (2010 - 2017) (2018) (34)
Medical video mining for efficient database indexing, management and access (2003) (34)
PLACE: A Scalable Location-aware Database Server for Spatio-temporal Data Streams (2005) (33)
STAGGER: Periodicity Mining of Data Streams Using Expanding Sliding Windows (2006) (32)
A Cost Model for Query Optimization Using R-Trees (1994) (32)
Smart VideoText: a video data model based on conceptual graphs (2002) (31)
Hashing by proximity to process duplicates in spatial databases (1994) (31)
Uniquely reporting spatial objects: yet another operation for comparing spatial data structures (1992) (30)
Bulk operations for space-partitioning trees (2004) (30)
Security and Privacy Challenges of a Digital Government (2002) (29)
The future is big graphs (2020) (29)
Efficient processing of proximity queries for large databases (1995) (28)
Information Seeking (2009) (28)
Video query processing in the VDBMS testbed for video database research (2003) (27)
Space-Partitioning Trees in PostgreSQL: Realization and Performance (2006) (27)
Managing Biological Data using bdbms (2008) (26)
GeoTrend: spatial trending queries on real-time microblogs (2016) (26)
Incremental Mining for Frequent Patterns in Evolving Time Series Datatabases (2008) (25)
Graph Indexing for Shortest-Path Finding over Dynamic Sub-Graphs (2016) (24)
LocationSpark: In-memory Distributed Spatial Query Processing and Optimization (2019) (24)
An extensible index for spatial databases (2001) (23)
Adaptive processing of spatial-keyword data over a distributed streaming cluster (2017) (23)
Irregularity in multi-dimensional space-filling curves with applications in multimedia databases (2001) (22)
Query processing of multi-way stream window joins (2008) (22)
In-Memory Distributed Matrix Computation Processing and Optimization (2017) (22)
On local heuristics to speed up polygon-polygon intersection tests (1999) (21)
GenoBase: comprehensive resource database of Escherichia coli K-12 (2014) (21)
Spatio-temporal Histograms (2005) (20)
EXPLAINER: Entity Resolution Explanations (2019) (20)
Adaptive motion-compensated video coding scheme towards content-based bit rate allocation (2000) (20)
Horizon (2021) (20)
A Video Database Management System for Advancing Video Database Research (2002) (19)
The handwritten trie: indexing electronic ink (1995) (19)
FAST: Frequency-Aware Indexing for Spatio-Textual Data Streams (2018) (18)
Query Processing Techniques for Big Spatial-Keyword Data (2017) (18)
Optimizing In-Order Execution of Continuous Queries over Streamed Sensor Data (2005) (18)
Disk Scheduling in Video Editing Systems (2001) (18)
Space-Filling Curve (2009) (18)
Efficient Processing of Hamming-Distance-Based Similarity-Search Queries Over MapReduce (2015) (18)
Disk scheduling for displaying and recording video in nonlinear news editing systems (1997) (18)
Spatial Queries with Two kNN Predicates (2012) (18)
Irregularity in high-dimensional space-filling curves (2011) (18)
Similarity Group-By operators for multi-dimensional relational data (2014) (17)
Precision-Bounded Access Control Using Sliding-Window Query Views for Privacy-Preserving Data Streams (2015) (16)
Window Query Processing in Linear Quadtrees (2001) (16)
Hierarchical video summarization for medical data (2001) (16)
ClassMiner: Mining Medical Video Content Structure and Events Towards Efficient Access and Scalable Skimming (2002) (15)
Efficient Parallel Skyline Query Processing for High-Dimensional Data (2018) (15)
Extending In-Memory Relational Database Engines with Native Graph Support (2018) (15)
Kangaroo: Workload-Aware Processing of Range Data and Range Queries in Hadoop (2016) (15)
From GPS and virtual globes to spatial computing - 2020 (2015) (15)
The SBC-tree: an index for run-length compressed sequences (2008) (15)
Ink as a First-Class Datatype in Multimedia Databases (1996) (15)
Decomposing a window into maximal quadtree blocks (1993) (14)
Scalable QoS-aware disk-scheduling (2002) (14)
bdbms - A Database Management System for Biological Data (2006) (13)
WORQ: Workload-Driven RDF Query Processing (2018) (13)
Efficient Window Block Retrieval in Quadtree-Based Spatial Databases (1997) (13)
A distributed database server for continuous media (2002) (13)
Atlas: on the expression of spatial-keyword group queries using extended relational constructs (2016) (13)
Scalability Management in Sensor-Network PhenomenaBases (2006) (13)
Scalable multimedia disk scheduling (2004) (13)
Knowledge cubes — A proposal for scalable and semantically-guided management of Big Data (2013) (12)
Challenges in spatiotemporal stream query optimization (2006) (12)
Hippocratic PostgreSQL (2009) (12)
On Multi-dimensional Sorting Orders (2000) (12)
SSTD: A Distributed System on Streaming Spatio-Textual Data (2020) (12)
Realizing Privacy-Preserving Features in Hippocratic Databases (2007) (11)
Efficient query execution on broadcasted index tree structures (2007) (11)
GRFusion: Graphs as First-Class Citizens in Main-Memory Relational Database Systems (2018) (11)
Query Processing using Negative Tuples in Stream Query Engines (2004) (11)
VDBMS: A testbed facility for research in video database benchmarking (2004) (10)
An Approach to Information Management in Geographical Applications (1990) (10)
Towards an End-to-End Human-Centric Data Cleaning Framework (2019) (10)
An Algorithm for Perspective Viewing of Objects Represented by Octrees (1995) (10)
The similarity-aware relational database set operators (2016) (9)
Phenomenon-Aware Stream Query Processing (2007) (9)
SPASS: scalable and energy-efficient data acquisition in sensor databases (2005) (9)
Cruncher: Distributed in-memory processing for location-based services (2016) (9)
Prompt: Dynamic Data-Partitioning for Distributed Micro-batch Stream Processing Systems (2020) (9)
Rank-aware query processsing and optimization (2005) (9)
Cascaded spatial join algorithms with spatially sorted output (1996) (9)
A Tutorial on Learned Multi-dimensional Indexes (2020) (8)
Disk-Based Indexing of Recent Trajectories (2018) (8)
HandsOn DB: Managing Data Dependencies Involving Human Actions (2014) (8)
Efficient Evaluation of Continous Range Queries on Movng Objects (2002) (8)
Indexing recent trajectories of moving objects (2014) (7)
Similarity Group-by Operators for Multi-Dimensional Relational Data (2016) (7)
Scalable Processing of Spatial-Keyword Queries (2019) (7)
Location-Aware Query Processing and Optimization (2007) (7)
A Demonstration of AQWA: Adaptive Query-Workload-Aware Partitioning of Big Spatial Data (2015) (7)
Horizon: Scalable Dependency-driven Data Cleaning (2021) (7)
Spatial queries with k-nearest-neighbor and relational predicates (2015) (7)
STAR: A Distributed Stream Warehouse System for Spatial Data (2020) (7)
On handling electronic ink (1995) (7)
The Similarity-Aware Relational Intersect Database Operator (2014) (7)
Spectral LPM: an optimal locality-preserving mapping using the spectral (not fractal) order (2003) (7)
Supporting Top-k Join Queries in Relational Databases (2003) (7)
Query Processing with K-Anonymity (2012) (7)
Chameleon: Context-Awareness inside DBMSs (2009) (6)
Cost Estimation of Spatial k-Nearest-Neighbor Operators (2015) (6)
Query processing and optimization in spatial databases (1993) (6)
Indexing the Past (2009) (6)
Search-based buffer management policies for streaming in continuous media servers (2002) (6)
A Window Retrieval Algorithm for Spatial Databases Using Quadtrees (1995) (6)
SBG-sketch: a self-balanced sketch for labeled-graph stream summarization (2017) (6)
Supporting Electronic Ink Databases (1999) (6)
Exploiting similarity-aware grouping in decision support systems (2009) (6)
To Trie or Not to Trie? Realizing Space-partitioning Trees inside PostgreSQL: Challenges, Experiences and Performance (2005) (6)
ORLF: A flexible framework for online record linkage and fusion (2016) (6)
STULL: Unbiased Online Sampling for Visual Exploration of Large Spatiotemporal Data (2020) (6)
Event Stream Processing (2009) (5)
Supporting real-world activities in database management systems (2010) (5)
Similarity-aware Query Processing and Optimization (2009) (5)
An Investigation of Grid-enabled Tree Indexes for Spatial Query Processing (2019) (5)
A Scalable High-Bandwidth Distributed File System for Multimedia Applications (1999) (5)
On Order-independent Semantics of the Similarity Group-By Relational Database Operator (2014) (5)
eXtensible Stylesheet Language Transformations (2009) (5)
Window-based Query Processing (2009) (4)
Space-Filling Curves (2008) (4)
W3C XML Path Language (2009) (4)
Data Stream Management Systems and Architectures (2007) (4)
Joining Multiple Data Streams with Window Constraints (2002) (4)
SWARM: Adaptive Load Balancing in Distributed Streaming Systems for Big Spatial Data (2020) (4)
Service Bus (2009) (4)
Mobility Data Science (Dagstuhl Seminar 22021) (2022) (4)
Estimating Selectivity Factors of Spatial Operations (1993) (4)
The Indiana Center for Database Systems at Purdue University (2005) (4)
Efficient Parallel Skyline Query Processing for High-Dimensional Data (2019) (4)
Scalable Relational Query Processing on Big Matrix Data (2021) (3)
FAST: Frequency-Aware Spatio-Textual Indexing for In-Memory Continuous Filter Query Processing (2017) (3)
A Stream Database Server for Sensor Applications (2002) (3)
A database server for next-generation scientific data management (2010) (3)
Empowering In-Memory Relational Database Engines with Native Graph Processing (2017) (3)
Proceedings of the 16th ACM SIGSPATIAL international conference on Advances in geographic information systems (2008) (3)
Design and Evaluation of A Data Partitioning-Based Intrusion Management Architecture for Database Systems (2018) (3)
JISC: Adaptive Stream Processing Using Just-In-Time State Completion (2014) (3)
Broadcasting Indexed Multidimensional Data (2001) (3)
SSTD (2020) (3)
The Palm-tree Index: Indexing with the crowd (2013) (3)
Space-Filling Curves for Query Processing (2009) (3)
Autonomous Disks: The Building Block for a Scalable Distributed File System (1999) (3)
PartLy: learning data partitioning for distributed data stream processing (2020) (3)
On Querz Processing and Optimality Using Spectral Locality-Preserving Mappings (2003) (3)
The LSM RUM-Tree: A Log Structured Merge R-Tree for Update-intensive Spatial Workloads (2021) (3)
COACT: a query interface language for collaborative databases (2018) (3)
Spatio-temporal Database (2008) (3)
Spatiotemporal Database (2017) (3)
On the Analysis of High Dimensional Space-Filling Curves (2000) (3)
Indexing Historical Spatio-Temporal Data (2009) (3)
Search and Discovery in Digital Video Libraries (2002) (2)
The Case for Distributed Shared-Memory Databases with RDMA-Enabled Memory Disaggregation (2022) (2)
Pipelined spatial join processing for quadtree-based indexes (2007) (2)
Location Data Management: A Tale of Two Systems and the "Next Destination"! (2016) (2)
A multimedia-based threat management and information security framework (2008) (2)
Multi-way Joins for Sensor-Network Databases (2005) (2)
A framework for supporting the class of space partitioning trees (2001) (2)
STAR: A Cache-based Distributed Warehouse System for Spatial Data Streams (2021) (2)
Distributed framework for real-time multimedia object communication (2000) (2)
Scalable continuous query processing in location-aware database servers (2005) (2)
Broadcasting Indexed Multidimensional Data*t (2001) (2)
Geo-tagging non-spatial concepts (2015) (2)
TrueWeb: A Proposal for Scalable Semantically-Guided Data Management and Truth Finding in Heterogeneous Web Sources (2018) (2)
Information Management in a Ubiquitous Global Postioning Environment (2000) (2)
Distributed processing of continuous spatiotemporal queries over road networks (2012) (2)
Leveraging Data Relationships to Resolve Conflicts from Disparate Data Sources (2018) (2)
Supporting annotated Relations (2007) (2)
AUDIT: approving and tracking updates with dependencies in collaborative databases (2018) (2)
WEB-BASED APPLICATIONS (2001) (2)
Approving Updates in Collaborative Databases (2015) (2)
Shared Execution Techniques for Business Data Analytics over Big Data Streams (2020) (1)
Local trend discovery on real-time microblogs with uncertain locations in tight memory environments (2019) (1)
SPARTI: Scalable RDF Data Management Using Query-Centric Semantic Partitioning (2018) (1)
Phenomenon-aware data stream management systems (2007) (1)
SPARTI (2018) (1)
Spatial Indexing (2017) (1)
Scalability via summaries: Stream Query Processing Using Promising Tuples (2005) (1)
Proceedings of the 9th ACM international symposium on Advances in geographic information systems (2001) (1)
Secret-Key Encryption (2009) (1)
LIMO: learning programming using interactive map activities (2015) (1)
A Privacy Mechanism for Access Controlled Graph Data (2019) (1)
Statistical Decision Techniques (2009) (1)
The “AI + R” - tree: An Instance-optimized R - tree (2022) (1)
Continuous Queries in Spatio-Temporal Databases (2008) (1)
Inverted Indexes (2009) (1)
17th ACM SIGSPATIAL International Symposium on Advances in Geographic Information Systems, ACM-GIS 2009, November 4-6, 2009, Seattle, Washington, USA, Proceedings (2009) (1)
Spatial Computing ∗ : Accomplishments , Opportunities , and Research Needs (2013) (1)
Multi-dimensional phenomenon-aware stream query processing (2009) (1)
Human-Centric Data Cleaning [Vision] (2017) (1)
Duplicate Elimination in Space-partitioning Tree Indexes (2007) (1)
Pattern-Driven Data Cleaning (2017) (1)
Information Management in a Ubiquitous Global Positioning Environment Category : Vision (2018) (0)
Message from Program Chairs (2018) (0)
Electronic Ink Indexing (2009) (0)
ILX: Intelligent "Location+X" Data Systems (Vision Paper) (2022) (0)
Workshop Organizers' Message (2009) (0)
COACT: a query interface language for collaborative databases (2017) (0)
ETL Process (2009) (0)
SyncSQL: A Language to Express Views over Data Streams (2006) (0)
TrioStat (2020) (0)
STAR (2021) (0)
PartLy (2020) (0)
LIMO: Learning Programming using Interactive Map Activities (Demo Paper) (2015) (0)
Introduction to the Special Section on the Best Papers from the 2019 ACM SIGSPATIAL Conference (2021) (0)
Data management challenges for computational transportation (2008) (0)
10-1-2005 Multiway Joins for Sensor-Network Databases (2012) (0)
W3C XML Query Language (2009) (0)
Tutorial: The Ubiquitous Skiplist, its Variants, and Applications in Modern Big Data Systems (2023) (0)
Instant (2021) (0)
Distributed web-based framework for real-time multimedia object communication (2001) (0)
Similarity queries: their conceptual evaluation, transformations, and processing (2012) (0)
Wide-Area Data Replication (2009) (0)
Location-aware privacy and more: a systems approach using context-aware database management systems (2009) (0)
Service Choreography (2009) (0)
Moving Object indexing using Crossbreed Update (2019) (0)
TrioStat: Online Workload Estimation in Distributed Spatial Data Streaming Systems (2020) (0)
Rank aggregation techniques for context-aware database management systems (2009) (0)
Web Application Server (2009) (0)
Work Element (2009) (0)
Towards an End-to-End Human-CentricData Cleaning Framework (2019) (0)
Session details: Advanced query processing (2010) (0)
Designing security systems for a digital government's multidomain environment requires a careful balancing act between providing convenient access and carefully monitoring permissions. (2001) (0)
Guard: Attack-Resilient Adaptive Load Balancing in Distributed Streaming Systems (2022) (0)
Online periodicity mining (2005) (0)
Event Connection (2009) (0)
16th ACM SIGSPATIAL International Symposium on Advances in Geographic Information Systems, ACM-GIS 2008, November 5-7, 2008, Irvine, California, USA, Proceedings (2008) (0)
A Survey on Spatio-Temporal Access Methods (2020) (0)
D S ] 4 M ay 2 01 7 A Survey of Shortest-Path Algorithms (2018) (0)
Spatial Analysis (2018) (0)
An Update-intensive LSM-based R-tree Index (2023) (0)
Service Item (2020) (0)
Technical Report CSD TR #06-022 REALIZING PRIVACY-PRESERVING FEATURES IN HIPPOCRATIC DATABASES (2006) (0)
Scheduling access to information by means of operations which are characterised by two or more variables by imposing a linear order on the operations (2000) (0)
Editorial: Special Issue on the Best Papers from the 2020 ACM SIGSPATIAL Conference (2023) (0)
Streaming Big Spatial Data (2019) (0)
Reliable, Flexible Cloud Computing, Storage, Backup, Disaster Recovery (2012) (0)
The LIMO Environment for Learning Programming using Interactive Map Activities (2015) (0)
Discovering Consensus Patterns in Biological Databases (2006) (0)
AUDIT: approving and tracking updates with dependencies in collaborative databases (2017) (0)
Indexing with Crowds (2018) (0)
Introduction to the Special Issue on the Best Papers from the 2017 ACM SIGSPATIAL Conference (2019) (0)
On map-centric programming environments: vision paper (2015) (0)
SNJoin – A Scalable Join in Sensor-Network PhenomenaBases (2006) (0)
Video and Multimedia Indexing (2002) (0)
TrueWeb (2018) (0)
Intelligent Storage (2009) (0)
An Experimental Evaluation and Investigation of Waves of Misery in R-trees (2021) (0)
Session details: Research 8: Spatial Data & Streams (2018) (0)
Storage Array (2009) (0)
Query processing in stream database systems (2004) (0)
ACM-GIS 2001 : Proceedings of the ninth International Symposium on Advances in Geographic Information Systems, November 9-10, 2001, Atlanta, GA, USA (2001) (0)
Web Content Extraction (2009) (0)
ACM-GIS 2001, Proceedings of the Ninth ACM International Symposium on Advances in Geographic Information Systems, Atlanta, GA, USA, November 9-10, 2001 (2001) (0)
Loading Spatial Features into the Incomplete Pyramid Data Structure (1992) (0)
Spatio-Temporal Graphs (2009) (0)
Indexing Historical Spatiotemporal Data (2018) (0)
Extensible Context-aware Stream Processing on the Cloud (2012) (0)
Statistical Disclosure Control (SDC) (2009) (0)
Scalability in spatio-temporal data management systems (2007) (0)
ER Model (2009) (0)

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Walid Galal Aref's Degrees

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Why Is Walid Galal Aref Influential?

Walid Galal Aref's Published Works

Published Works

What Schools Are Affiliated With Walid Galal Aref?

Walid Galal Aref's AcademicInfluence.com Rankings