DAC A*

161 papers

YearTitle / Authors
2001A
Jörg Henkel, Haris Lekatsas
2001A Framework for Low Complexity Static Learning.
Emil Gizdarski, Hideo Fujiwara
2001A Framework for Object Oriented Hardware Specification, Verification, and Synthesis.
Tommy Kuhn, Tobias Oppold, Markus Winterholer, Wolfgang Rosenstiel, Mark Edwards, Yaron Kashai
2001A Hardware/Software Co-design Flow and IP Library Based of Simulink
Leonardo Maria Reyneri, Franceso Cucinotta, Alessandro Serra, Luciano Lavagno
2001A New Gate Delay Model for Simultaneous Switching and Its Applications.
Liang-Chi Chen, Sandeep K. Gupta, Melvin A. Breuer
2001A New Structural Pattern Matching Algorithm for Technology Mapping.
Min Zhao, Sachin S. Sapatnekar
2001A New Verification Methodology for Complex Pipeline Behavior.
Kazuyoshi Kohno, Nobu Matsumoto
2001A Novel Method for Stochastic Nonlinearity Analysis of a CMOS Pipeline ADC.
David Goren, Eliyahu Shamsaev, Israel A. Wagner
2001A Practical Application of Full-Feature Alternating Phase-Shifting Technology for a Phase-Aware Standard-Cell Design Flow.
Michael Sanie, Michel Côté, Philippe Hurat, Vinod Malhotra
2001A Practical Methodology for Early Buffer and Wire Resource Allocation.
Charles J. Alpert, Jiang Hu, Sachin S. Sapatnekar, Paul Villarrubia
2001A Quick Safari Through the Reconfiguration Jungle.
Patrick Schaumont, Ingrid Verbauwhede, Kurt Keutzer, Majid Sarrafzadeh
2001A Semi-Custom Design Flow in High-Performance Microprocessor Design.
Gregory A. Northrop, Pong-Fei Lu
2001A Static Estimation Technique of Power Sensitivity in Logic Circuits.
Taewhan Kim, Ki-Seok Chung, Chien-Liang Liu
2001A Transaction-Based Unified Simulation/Emulation Architecture for Functional Verification.
Murali Kudlugi, Soha Hassoun, Charles Selvidge, Duaine Pryor
2001A True Single-Phase 8-bit Adiabatic Multiplier.
Suhwan Kim, Conrad H. Ziesler, Marios C. Papaefthymiou
2001A Unified DFT Architecture for Use with IEEE 1149.1 and VSIA/IEEE P1500 Compliant Test Access Controllers.
Bulent I. Dervisoglu
2001A Universal Client for Distributed Networked Design and Computing.
Franc Brglez, Hemang Lavana
2001Achieving 550Mhz in an ASIC Methodology.
David G. Chinnery, Borivoje Nikolic, Kurt Keutzer
2001Address Code Generation for Digital Signal Processors.
Sathishkumar Udayanarayanan, Chaitali Chakrabarti
2001Addressing the System-on-a-Chip Interconnect Woes Through Communication-Based Design.
Marco Sgroi, Michael Sheets, Andrew Mihal, Kurt Keutzer, Sharad Malik, Jan M. Rabaey, Alberto L. Sangiovanni-Vincentelli
2001Adoption of OPC and the Impact on Design and Layout.
Franklin M. Schellenberg, Olivier Toublan, Luigi Capodieci, Bob Socha
2001An Advanced Timing Characterization Method Using Mode Dependency.
Hakan Yalcin, Robert Palermo, Mohammad Mortazavi, Cyrus Bamji, Karem A. Sakallah, John P. Hayes
2001An Algorithm for Bi-Decomposition of Logic Functions.
Alan Mishchenko, Bernd Steinbach, Marek A. Perkowski
2001An Approach to Incremental Design of Distributed Embedded Systems.
Paul Pop, Petru Eles, Traian Pop, Zebo Peng
2001An Approach to Test Compaction for Scan Circuits that Enhances At-Speed Testing.
Irith Pomeranz, Sudhakar M. Reddy
2001An Interconnect Energy Model Considering Coupling Effects.
Taku Uchino, Jason Cong
2001Analysis of Non-Uniform Temperature-Dependent Interconnect Performance in High Performance ICs.
Amir H. Ajami, Kaustav Banerjee, Massoud Pedram, Lukas P. P. P. van Ginneken
2001Analysis of On-Chip Inductance Effects using a Novel Performance Optimization Methodology for Distributed RLC Interconnects.
Kaustav Banerjee, Amit Mehrotra
2001Application of Constraint-Based Heuristics in Collaborative Design.
Juan Antonio Carballo, Stephen W. Director
2001Automated Pipeline Design.
Daniel Kroening, Wolfgang J. Paul
2001Automatic Generation of Application-Specific Architectures for Heterogeneous Multiprocessor System-on-Chip.
Damien Lyonnard, Sungjoo Yoo, Amer Baghdadi, Ahmed Amine Jerraya
2001Battery-Aware Static Scheduling for Distributed Real-Time Embedded Systems.
Jiong Luo, Niraj K. Jha
2001Behavioral Partitioning in the Synthesis of Mixed Analog-Digital Systems.
Sree Ganesan, Ranga Vemuri
2001Built-In Self-Test for Signal Integrity.
Mehrdad Nourani, Amir Attarha
2001Chaff: Engineering an Efficient SAT Solver.
Matthew W. Moskewicz, Conor F. Madigan, Ying Zhao, Lintao Zhang, Sharad Malik
2001Checking Equivalence for Partial Implementations.
Christoph Scholl, Bernd Becker
2001Circuit-based Boolean Reasoning.
Andreas Kuehlmann, Malay K. Ganai, Viresh Paruthi
2001Clustered VLIW Architectures with Predicated Switching.
Margarida F. Jacome, Gustavo de Veciana, Satish Pillai
2001Combining Low-Power Scan Testing and Test Data Compression for System-on-a-Chip.
Anshuman Chandra, Krishnendu Chakrabarty
2001Computing Logic-Stage Delays Using Circuit Simulation and Symbolic Elmore Analysis.
Clayton B. McDonald, Randal E. Bryant
2001Concurrent Error Detection of Fault-Based Side-Channel Cryptanalysis of 128-Bit Symmetric Block Ciphers.
Ramesh Karri, Kaijie Wu, Piyush Mishra, Yongkook Kim
2001Coupling Delay Optimization by Temporal Decorrelation using Dual Threshold Voltage Technique.
Ki-Wook Kim, Seong-Ook Jung, Prashant Saxena, C. L. Liu, Sung-Mo Kang
2001Coupling-Driven Bus Design for Low-Power Application-Specific Systems.
Youngsoo Shin, Takayasu Sakurai
2001Creating and Exploiting Flexibility in Steiner Trees.
Elaheh Bozorgzadeh, Ryan Kastner, Majid Sarrafzadeh
2001Dependency Preserving Probabilistic Modeling of Switching Activity using Bayesian Networks.
Sanjukta Bhanja, N. Ranganathan
2001Design of Half-Rate Clock and Data Recovery Circuits for Optical Communication Systems.
Jafar Savoj, Behzad Razavi
2001Detection of Partially Simultaneously Alive Signals in Storage Requirement Estimation for Data Intensive Applications.
Per Gunnar Kjeldsberg, Francky Catthoor, Einar J. Aas
2001Digital Filter Synthesis Based on Minimal Signed Digit Representation.
In-Cheol Park, Hyeong-Ju Kang
2001Driver Modeling and Alignment for Worst-Case Delay Noise.
Supamas Sirichotiyakul, David T. Blaauw, Chanhee Oh, Rafi Levy, Vladimir Zolotov, Jingyan Zuo
2001Dynamic Detection and Removal of Inactive Clauses in SAT with Application in Image Computation.
Aarti Gupta, Anubhav Gupta, Zijiang Yang, Pranav Ashar
2001Dynamic Management of Scratch-Pad Memory Space.
Mahmut T. Kandemir, J. Ramanujam, Mary Jane Irwin, Narayanan Vijaykrishnan, Ismail Kadayif, Amisha Parikh
2001Dynamic Power Management in a Mobile Multimedia System with Guaranteed Quality-of-Service.
Qinru Qiu, Qing Wu, Massoud Pedram
2001Dynamic Voltage Scaling and Power Management for Portable Systems.
Tajana Simunic, Luca Benini, Andrea Acquaviva, Peter W. Glynn, Giovanni De Micheli
2001Effective Use of Boolean Satisfiability Procedures in the Formal Verification of Superscalar and VLIW Microprocessors.
Miroslav N. Velev, Randal E. Bryant
2001Efficient DDD-based Symbolic Analysis of Large Linear Analog Circuits.
Wim Verhaegen, Georges G. E. Gielen
2001Efficient Large-Scale Power Grid Analysis Based on Preconditioned Krylov-Subspace Iterative Methods.
Tsung-Hao Chen, Charlie Chung-Ping Chen
2001Enabling Alternating Phase Shifted Mask Designs for a Full Logic Gate Level: Design Rules and Design Rule Checking.
Lars Liebmann, Jennifer Lund, Fook-Luen Heng, Ioana Graur
2001Energy Efficient Fixed-Priority Scheduling for Real-Time Systems on Variable Voltage Processors.
Gang Quan, Xiaobo Hu
2001Estimation of Speed, Area, and Power of Parameterizable, Soft IP.
Jagesh V. Sanghavi, Albert Wang
2001Exploring SOI Device Structures and Interconnect Architectures for 3-Dimensional Integration.
Rongtian Zhang, Kaushik Roy, Cheng-Kok Koh, David B. Janes
2001Factoring and Recognition of Read-Once Functions using Cographs and Normality.
Martin Charles Golumbic, Aviad Mintz, Udi Rotics
2001False Coupling Interactions in Static Timing Analysis.
Ravishankar Arunachalam, Ronald D. Blanton, Lawrence T. Pileggi
2001Fast Bit-True Simulation.
Holger Keding, Martin Coors, Olaf Lüthje, Heinrich Meyr
2001Fast Power/Ground Network Optimization Based on Equivalent Circuit Modeling.
Sheldon X.-D. Tan, Chuanjin Richard Shi
2001Fast Statistical Timing Analysis By Probabilistic Event Propagation.
Jing-Jia Liou, Kwang-Ting Cheng, Sandip Kundu, Angela Krstic
2001Fault Characterizations and Design-for-Testability Technique for Detecting I
Kaamran Raahemifar, Majid Ahmadi
2001Floorplanning with Abutment Constraints and L-Shaped/T-Shaped Blocks based on Corner Block List.
Yuchun Ma, Xianlong Hong, Sheqin Dong, Yici Cai, Chung-Kuan Cheng, Jun Gu
2001Formal Property Verification by Abstraction Refinement with Formal, Simulation and Hybrid Engines.
Dong Wang, Pei-Hsin Ho, Jiang Long, James H. Kukula, Yunshan Zhu, Hi-Keung Tony Ma, Robert F. Damiano
2001From Architecture to Layout: Partitioned Memory Synthesis for Embedded Systems-on-Chip.
Luca Benini, Luca Macchiarulo, Alberto Macii, Enrico Macii, Massimo Poncino
2001Functional Correlation Analysis in Crosstalk Induced Critical Paths Identification.
Tong Xiao, Malgorzata Marek-Sadowska
2001Future Performance Challenges in Nanometer Design.
Dennis Sylvester, Himanshu Kaul
2001Generating Efficient Tests for Continuous Scan.
Sying-Jyan Wang, Sheng-Nan Chiou
2001Hardware Metering.
Farinaz Koushanfar, Gang Qu
2001Hardware/Software Instruction Set Configurability for System-on-Chip Processors.
Albert Wang, Earl Killian, Dror E. Maydan, Chris Rowen
2001High-Quality Operation Binding for Clustered VLIW Datapaths.
Viktor S. Lapinskii, Margarida F. Jacome, Gustavo de Veciana
2001High-level Software Energy Macro-modeling.
Tat Kee Tan, Anand Raghunathan, Ganesh Lakshminarayana, Niraj K. Jha
2001Hypermedia-Aided Design.
Darko Kirovski, Milenko Drinic, Miodrag Potkonjak
2001IC Design in High-Cost Nanometer-Technologies Era.
Wojciech Maly
2001Improved Cut Sequences for Partitioning Based Placement.
Mehmet Can Yildiz, Patrick H. Madden
2001Improved Merging of Datapath Operators using Information Content and Required Precision Analysis.
Anmol Mathur, Sanjeev Saluja
2001Improving Bus Test Via I
Shih-Yu Yang, Christos A. Papachristou, Massood Tabib-Azar
2001Inductance 101: Analysis and Design Issues.
Kaushik Gala, David T. Blaauw, Junfeng Wang, Vladimir Zolotov, Min Zhao
2001Inductance 101: Modeling and Extraction.
Michael W. Beattie, Lawrence T. Pileggi
2001Input Space Adaptive Design: A High-level Methodology for Energy and Performance Optimization.
Weidong Wang, Anand Raghunathan, Ganesh Lakshminarayana, Niraj K. Jha
2001Instruction-Level DFT for Testing Processor and IP Cores in System-on-a-Chip.
Wei-Cheng Lai, Kwang-Ting Cheng
2001Integrated High-Level Synthesis and Power-Net Routing for Digital Design under Switching Noise Constraints.
Alex Doboli, Ranga Vemuri
2001Integrating Scheduling and Physical Design into a Coherent Compilation Cycle for Reconfigurable Computing Architectures.
Kia Bazargan, Seda Ogrenci, Majid Sarrafzadeh
2001JouleTrack - A Web Based Tool for Software Energy Profiling.
Amit Sinha, Anantha P. Chandrakasan
2001LOTTERYBUS: A New High-Performance Communication Architecture for System-on-Chip Designs.
Kanishka Lahiri, Anand Raghunathan, Ganesh Lakshminarayana
2001Latency and Latch Count Minimization in Wave Steered Circuits.
Amit Singh, Arindam Mukherjee, Malgorzata Marek-Sadowska
2001Latency-Driven Design of Multi-Purpose Systems-On-Chip.
Seapahn Meguerdichian, Milenko Drinic, Darko Kirovski
2001Layout Design Methodologies for Sub-Wavelength Manufacturing.
Michael L. Rieger, Jeffrey P. Mayhew, Sridhar Panchapakesan
2001Layout-Driven Hot-Carrier Degradation Minimization Using Logic Restructuring Techniques.
Chih-Wei Jim Chang, Kai Wang, Malgorzata Marek-Sadowska
2001Logic Minimization using Exclusive OR Gates.
Valentina Ciriani
2001Low-Energy Intra-Task Voltage Scheduling Using Static Timing Analysis.
Dongkun Shin, Jihong Kim, Seongsoo Lee
2001MetaCores: Design and Optimization Techniques.
Seapahn Meguerdichian, Farinaz Koushanfar, Advait M. Mogre, Dusan Petranovic, Miodrag Potkonjak
2001MicroNetwork-Based Integration for SOCs.
Drew Wingard
2001Min/max On-Chip Inductance Models and Delay Metrics.
Yi-Chang Lu, Mustafa Celik, Tak Young, Lawrence T. Pileggi
2001Mismatch Analysis and Direct Yield Optimization by Spec-Wise Linearization and Feasibility-Guided Search.
Frank Schenkel, Michael Pronath, Stephan Zizala, Robert Schwencker, Helmut E. Graeb, Kurt Antreich
2001Model Checking of S3C2400X Industrial Embedded SOC Product.
Hoon Choi, Byeong-Whee Yun, Yun-Tae Lee, Hyunglae Roh
2001Modeling Magnetic Coupling for On-Chip Interconnect.
Michael W. Beattie, Lawrence T. Pileggi
2001Modeling and Analysis of Differential Signaling for Minimizing Inductive Cross-Talk.
Yehia Massoud, Jamil Kawa, Don MacMillen, Jacob White
2001Modeling and Minimization of Interconnect Energy Dissipation in Nanometer Technologies.
Clark N. Taylor, Sujit Dey, Yi Zhao
2001Nuts and Bolts of Core and SoC Verification.
Ken Albin
2001On Optimum Switch Box Designs for 2-D FPGAs.
Hongbing Fan, Jiping Liu, Yu-Liang Wu, Chak-Chung Cheung
2001On-Chip Communication Architecture for OC-768 Network Processors.
Faraydon Karim, Anh Nguyen, Sujit Dey, Ramesh R. Rao
2001One-chip Bluetooth ASIC Challenges.
Paul T. M. van Zeijl
2001Panel: (When) Will FPGAs Kill ASICs?
Rob A. Rutenbar, Max Baron, Thomas Daniel, Rajeev Jayaraman, Zvi Or-Bach, Jonathan Rose, Carl Sechen
2001Panel: Is Nanometer Design Under Control?
Andrew B. Kahng, Bing J. Sheu, Nancy Nettleton, John M. Cohn, Shekhar Borkar, Louis Scheffer, Ed Cheng, Sang Wang
2001Panel: The Electronics Industry Supply Chain: Who Will Do What?
Rita Glover, Marc Halpern, Rich Becks, Richard Kubin, Henry Jurgens, Rick Cassidy, Ted Vucurevich
2001Panel: The Next HDL: If C++ is the Answer, What was the Question?
Rajesh K. Gupta, Shishpal Rawat, Ingrid Verbauwhede, Gérard Berry, Ramesh Chandra, Daniel Gajski, Kris Konigsfeld, Patrick Schaumont
2001Panel: What Drives EDA Innovation?
Steven E. Schulz, Georgia Marszalek, Greg Hinckley, Gregory S. Spirakis, Karen Vahtra, John A. Darringer, J. George Janac, Handel H. Jones
2001Panel: When Will the Analog Design Flow Catch Up with Digital Methodology?
Georges G. E. Gielen, Mike Sottak, Mike Murray, Linda Kaye, Maria del Mar Hershenson, Kenneth S. Kundert, Philippe Magarshack, Akria Matsuzawa, Ronald A. Rohrer, Ping Yang
2001Panel: Your Core - My Problem? Integration and Verification of IP.
Gabe Moretti, Tim Hopes, Ramesh Narayanaswamy, Nanette Collins, Dave Kelf, Tom Anderson, Janick Bergeron, Ashish Dixit, Peter Flake
2001Parallelizing DSP Nested Loops on Reconfigurable Architectures using Data Context Switching.
Kiran Bondalapati
2001Performance-Driven Multi-Level Clustering with Application to Hierarchical FPGA Mapping.
Jason Cong, Michail Romesis
2001Power-Aware Scheduling under Timing Constraints for Mission-Critical Embedded Systems.
Jinfeng Liu, Pai H. Chou, Nader Bagherzadeh, Fadi J. Kurdahi
2001Pre-silicon Verification of the Alpha 21364 Microprocessor Error Handling System.
Richard Lee, Benjamin Tsien
2001Proceedings of the 38th Design Automation Conference, DAC 2001, Las Vegas, NV, USA, June 18-22, 2001
2001Publicly Detectable Techniques for the Protection of Virtual Components.
Gang Qu
2001Random Limited-Scan to Improve Random Pattern Testing of Scan Circuits.
Irith Pomeranz
2001Re-Configurable Computing in Wireless.
Bill Salefski, Levent Caglar
2001Reducing Memory Requirements of Nested Loops for Embedded Systems.
J. Ramanujam, Jinpyo Hong, Mahmut T. Kandemir, Amit Narayan
2001Reducing the Frequency Gap Between ASIC and Custom Designs: A Custom Perspective.
Stephen E. Rich, Matthew J. Parker, Jim Schwartz
2001Reticle Enhancement Technology: Implications and Challenges for Physical Design.
Warren Grobman, Matt Thompson, Ruoping Wang, Chi-Min Yuan, Ruiqi Tian, Ertugrul Demircan
2001Robust Interfaces for Mixed-Timing Systems with Application to Latency-Insensitive Protocols.
Tiberiu Chelcea, Steven M. Nowick
2001Route Packets, Not Wires: On-Chip Interconnection Networks.
William J. Dally, Brian Towles
2001SATIRE: A New Incremental Satisfiability Engine.
Jesse Whittemore, Joonyoung Kim, Karem A. Sakallah
2001Scalable Hybrid Verification of Complex Microprocessors.
Maher N. Mneimneh, Fadi A. Aloul, Christopher T. Weaver, Saugata Chatterjee, Karem A. Sakallah, Todd M. Austin
2001Semi-Formal Test Generation with Genevieve.
Julia Dushina, Mike Benjamin, Daniel Geist
2001Signal Representation Guided Synthesis Using Carry-Save Adders For Synchronous Data-path Circuits.
Zhan Yu, Meng-Lin Yu, Alan N. Willson Jr.
2001Simulation-Based Test Algorithm Generation and Port Scheduling for Multi-Port Memories.
Chi-Feng Wu, Chih-Tsun Huang, Kuo-Liang Cheng, Chih-Wea Wang, Cheng-Wen Wu
2001Simultaneous Shield Insertion and Net Ordering under Explicit RLC Noise Constraint.
Kevin M. Lepak, Irwan Luwandi, Lei He
2001SoC Integration of Reusable Baseband Bluetooth IP.
Torbjörn Grahm, Barry Clark
2001Speculation Techniques for High Level Synthesis of Control Intensive Designs.
Sumit Gupta, Nick Savoiu, Sunwoo Kim, Nikil D. Dutt, Rajesh K. Gupta, Alexandru Nicolau
2001Speeding Up Control-Dominated Applications through Microarchitectural Customizations in Embedded Processors.
Peter Petrov, Alex Orailoglu
2001Static Scheduling of Multiple Asynchronous Domains For Functional Verification.
Murali Kudlugi, Charles Selvidge, Russell Tessier
2001Static Timing Analysis Including Power Supply Noise Effect on Propagation Delay in VLSI Circuits.
Geng Bai, Sudhakar Bobba, Ibrahim N. Hajj
2001Statistical Design Space Exploration for Application-Specific Unit Synthesis.
Davide Bruni, Alessandro Bogliolo, Luca Benini
2001Symbolic RTL Simulation.
Alfred Kölbl, James H. Kukula, Robert F. Damiano
2001System-Level Power/Performance Analysis for Embedded Systems Design.
Amit Nandi, Radu Marculescu
2001TCG: A Transitive Closure Graph-Based Representation for Non-Slicing Floorplans.
Jai-Ming Lin, Yao-Wen Chang
2001Teaching Future Verification Engineers: The Forgotten Side of Logic Design.
Füsun Özgüner, Duane W. Marhefka, Joanne DeGroat, Bruce Wile, Jennifer Stofer, Lyle Hanrahan
2001Technical Visualizations in VLSI Design.
Phillip J. Restle
2001Technology Mapping for SOI Domino Logic Incorporating Solutions for the Parasitic Bipolar Effect.
Shrirang K. Karandikar, Sachin S. Sapatnekar
2001Test Strategies for BIST at the Algorithmic and Register-Transfer Levels.
Kelly A. Ockunzzi, Christos A. Papachristou
2001Test Volume and Application Time Reduction Through Scan Chain Concealment.
Ismet Bayraktaroglu, Alex Orailoglu
2001Testing for Interconnect Crosstalk Defects Using On-Chip Embedded Processor Cores.
Li Chen, Xiaoliang Bai, Sujit Dey
2001Timing Analysis with Crosstalk as Fixpoints on Complete Lattice.
Hai Zhou, Narendra V. Shenoy, William Nicholls
2001Timing Driven Placement using Physical Net Constraints.
Bill Halpin, C. Y. Roger Chen, Naresh Sehgal
2001Transformations for the Synthesis and Optimization of Asynchronous Distributed Control.
Michael Theobald, Steven M. Nowick
2001Two-Dimensional Position Detection System with MEMS Accelerometer for MOUSE Applications.
Seungbae Lee, Gi-Joon Nam, Junseok Chae, Hanseup Kim, Alan J. Drake
2001Using Conduction Modes Basis Functions for Efficient Electromagnetic Analysis of On-Chip and Off-Chip Interconnect.
Luca Daniel, Alberto L. Sangiovanni-Vincentelli, Jacob White
2001Using Symbolic Algebra in Algorithmic Level DSP Synthesis.
Armita Peymandoust, Giovanni De Micheli
2001Using Texture Mapping with Mipmapping to Render a VLSI Layout.
Jeff Solomon, Mark Horowitz
2001Utilizing Memory Bandwidth in DSP Embedded Processors.
Catherine H. Gebotys
2001VHDL-Based Design and Design Methodology for Reusable High Performance Direct Digital Frequency Synthesizers.
Ireneusz Janiszewski, Bernhard Hoppe, Hermann Meuth
2001Validating the Intel Pentium 4 Microprocessor.
Bob Bentley
2001Watermarking Graph Partitioning Solutions.
Gregory Wolfe, Jennifer L. Wong, Miodrag Potkonjak
2001Watermarking of SAT using Combinatorial Isolation Lemmas.
Rupak Majumdar, Jennifer L. Wong
2001Web-based Algorithm Animation.
Marc Najork