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- Revisiting Probabilistic Models for Clustering With Pair-Wise Constraints
- This paper revisits recently proposed algorithms for probabilistic clustering with pair-wise constraints between data points. Existing techniques are evaluated and compared in terms of robustness to misspecified constraints. It is shown that the technique that strictly enforces the given constraints, namely the chunklet model, produces poor results even under a...
- Tags: Constraint, Clustering, Productivity
- White papers 2007-06-24
- How do I... Enforce domain integrity for SQL Server data using CHECK constraints?
- Even simple errors in data can result in huge problems. Luckily, you can eliminate at least some of those errors by using CHECK constraints to force users to enter data that meets specific conditions. Database expert Susan Harkins explains this approach and then walks through an example demonstrating how...
- Tags: Constraint, Microsoft SQL Server, Server, Databases, Storage, Enterprise Software, Software, Data Management, Hardware
- Download resources 2007-03-05
- Refactoring Using Type Constraints
- Type constraints express subtype-relationships between the types of program expressions that are required for type-correctness, and were originally proposed as a convenient framework for solving type checking and type inference problems. This paper shows how type constraints can be used as the basis for practical refactoring tools. In one's approach,...
- Tags: Constraint, Productivity
- White papers 2007-06-16
- XML Constraints: Specification, Analysis, and Applications
- To make effective use of XML constraints it is often necessary to reason about them, both at compile-time for consistency and implication analyses and at run-time for incremental constraint checking. Since XML constraints are more complicated than relational dependencies, the static analyses of XML constraints are more intriguing than their...
- Tags: Constraint, Specification, Analysis, XML, Software/Web Development, Web Development
- White papers
- Enforce Business Rules for All Your Data With Constraints
- Of the several ways to enforce business rules in the database, only constraints can guarantee that the business rules are always enforced for all the data. This paper teaches how to apply foreign key constraints with the ON UPDATE CASCADE clause to implement waterproof solutions for several common real world...
- Tags: Constraint, Jupitermedia Corp., Storage, Databases, Hardware, Enterprise Software, Software, Data Management
- White papers 2007-05-02
- TranslateSQL (zip)
- TranslateSQL is a utility for converting an Oracle schema into an SQL build script for SQL-Server. Unlike the import wizard that comes with SQL-Server, it actually converts all the indexes, primary keys, foreign constraints, and check constraints. However, it does not copy the data in each of the tables, nor...
- Tags: Source Code, Constraint, TranslateSQL, Programming Languages, Databases, Software Development, Software/Web Development, Enterprise Software, Software, Data Management
- Software downloads 2004-10-07
- Optical Network Design With Optical Constraints in IP/WDM Network
- This paper considers algorithms for the logical topology design and traffic grooming problem in WDM networks with router interface constraints as well as optical constraints. The optical constraints include restricted transmission range due to optical impairments as well as limits on the number of available wavelengths. It formulates this problem...
- Tags: University Of Maryland, Optical Network, Constraint, Network, IP, WDM, Research & Development, Optical Networking, Engineering, Networking, Business Operations
- White papers 2005-03-02
- PM: Document and manage constraints and assumptions
- This week's Project Management newsletter explores how managing constraints and assumptions can be the difference between project success and failure. What methods does your organization employ to handle this critical task?If you haven't subscribed
- Tags: Project Management newsletter, Newsletter Editor, it management
- Discussion threads 2005-01-25
- TechRepublic Tutorial: Enforce data integrity with constraints and Enterprise Manager
- Ensuring the correctness of all data contained within a database data integrity is a difficult and sometimes impossible chore, but it is an essential goal for the system. After all, how can the data be properly utilized if the data is inconsistent? When we create applications, we develop the code...
- Tags: Value at Risk, Baseline Inc.
- Technical articles 2004-02-04
- Optimizing IT Security Within Real-World Resource Constraints--A Practical Guide for Mid-Sized Businesses
- Businesses today face a barrage of security threats that requires constant vigilance to safeguard the integrity of their critical IT services. While midsized businesses face the same risks as larger enterprises, they tend to have particularly tight IT resource constraints. Their central challenge therefore is not only to protect themselves...
- Tags: Raritan Computer, IT Security, Information Technology, Midsize Business, Resource Constraint, Strategy, Security, Management
- White papers
- Survivable Network Design With Degree or Order Constraints
- This paper presents algorithmic and hardness results for network design problems with degree or order constraints. The paper first considers the SURVIVABLE NETWORK DESIGN problem with degree constraints on vertices: the objective is to find a minimum cost subgraph satisfying certain connectivity requirements as well as degree upper bounds on...
- Tags: Network, Association For Computing Machinery, Network Design, Network Administration, Networking
- White papers 2007-06-13
- Low Disturbance Embedded System Tracing With Linux Trace Toolkit Next Generation
- Embedded systems in applications that include GPS, airplanes, life support devices, video decoders and many others are often required to meet hard and soft real-time constraints. Various proprietary operating systems, like VxWorks and µC/OS-II, aim primarily at allowing programs to have an higher bound on their execution time. They can...
- Tags: Embedded System, Linux, Corporate Communications, Operating Systems, UNIX, Open Source, Software, Marketing
- White papers 2006-04-11
- Recommendations
- I would recommend as order of choice:CISSPGISACiscoEthical HackerVendor OS Security TrackSecurity +Security PathHi Guys, Could I get some input on a Security Path Career. I get my A.A.S in Network Security in MAR and I'm studying for the SECURITY+, after that I'm not sure, CISSP, MCSE Security track or a...
- Tags: Cisco Systems Inc., Recommendation, retirednavydude, Security
- Discussion threads 2005-12-30
- Model-Driven Development of Resource-Constrained Embedded Applications
- Many embedded systems have memory and/or computational processing power constraints. The use of models to generate embedded applications requires thoughtful attention to these constraints. This paper investigates the use of Unified Modeling Language UML modeling tools to generate resource-constrained applications, as illustrated by a small case study of an embedded...
- Tags: Embedded System, Modeling, Research & Development, Model-Driven Development, UML, Business Operations, Ooa/Ood/Oop, Software Development, Software/Web Development
- White papers 2004-12-03
- Optimizing IT Security whitepaper
- Businesses today face a barrage of security threats that requires constant vigilance to safeguard the integrity of their critical IT services. While midsized businesses face the same risks as larger enterprises, they tend to have particularly tight IT resource constraints. Their central challenge therefore is not only to protect themselves...
- Tags: Raritan Computer, IT Security, Information Technology, Strategy, Security, Management
- White papers 2006-01-02
- Dynamic Model Checking of C Cryptographic Protocol Implementations
- This paper describes the Dolev-Yao C DYC cryptographic protocol message API. In addition to generating executable protocol implementations, DYC can be used to generate constraints on an attacker against the protocol. The resulting constraints can be handed to a constraint solver, which if successful will find an executable attack against...
- Tags: Lucent Technologies Inc., C, Alcatel, Protocol Implementation, C/C++, Programming Languages, Security, Software Development, Software/Web Development
- White papers 2006-07-16
- Service Selection Algorithms for Composing Complex Services With Multiple QoS Constraints
- One of the promises of the Service-Oriented Architecture SOA is that complex services can be easily composed using individual services from various service providers. Individual services can be selected and integrated either statically or dynamically based on the service functionalities and performance constraints. For many distributed applications, the runtime performance...
- Tags: Algorithm, QoS, Constraint, Performance, Service, Service-Oriented Architecture (SOA), Performance Management, Web Services, Enterprise Software, Software, Human Resources, Workforce Management
- White papers 2005-11-02
- CAD Tools for Early Timing Closure in System-on-a-Chip Design
- This paper introduces two new CAD tools, "March" and "MagusMCP," developed to partially automate the design of clock signal distribution for timing optimization and the timing constraints for systems-on-a-chip. March synthesizes flexible structures of clock distribution circuits based on Flip-Flop FF grouping and placement information. It also considers the placement...
- Tags: Constraint, Fujitsu Ltd., CAD, Software
- White papers 2006-04-01
- Defining SQL Server constraints with TSQL
- Take your database administration skills to the next level by learning how to define constraints with TSQL. This advanced skill shows that you don't always rely on graphical interfaces when designing database objects. All competent DBAs and developers should possess the ability to logically define constraints in the...
- Tags: Microsoft SQL Server, Tim Chapman, Databases, server, SalesHistory, SQL Server Newsletter, Constraint, Column, Table, TSQL, OBJECT_ID, SaleID, SaleDate, SalePrice, Listing D, Storage, Enterprise Software, Software, Data Management, Hardware
- Technical articles 2007-05-07
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