Sponsored White Papers, Webcasts, and Downloads
TechRepublic Resources
- IDX Variable Constraint System for AutoCAD 2007 (exe)
- The Variable Constraint System provides variational sketching functionality within AutoCAD. It enables geometric or dimensional constraints to be applied that control relationships between drawn objects. Constraints may be applied to unbound lines, circles, ellipses, arcs, splines, points, and specific geometries in two dimensions, or a two-dimensional subspace of three dimensions....
- Tags: Constraint, AutoCAD, IMSI/Design, Variable Constraint System
- Software downloads 2008-05-13
- IDX Variable Constraint System for AutoCAD 2008 (exe)
- The Variable Constraint System provides variational sketching functionality within AutoCAD. It enables geometric or dimensional constraints to be applied that control relationships between drawn objects. Constraints may be applied to unbound lines, circles, ellipses, arcs, splines, points, and specific geometries in two dimensions, or a two-dimensional subspace of three dimensions....
- Tags: Constraint, AutoCAD, AutoCAD 2008
- Software downloads 2008-05-13
- Constraint-Based Routing in the Internet: Basic Principles and Recent Research
- Novel routing paradigms based on policies, Quality of Service QoS requirements, and packet content has been proposed for the Internet over the last decade. Constraint-based routing algorithms select a routing path satisfying constraints which are either administrative-oriented policy routing, or service-oriented QoS routing. The routes, in addition to satisfying constraints,...
- Tags: QoS, Constraint, Internet
- White papers
- 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
- A Least-/ Mean- Squares Approach to Channel Identification and Equalization in OFDM
- This paper proposes an iterative least-/mean- squares approach to channel identification and equalization in OFDM. This is achieved by exploiting the natural constraints imposed by the channel sparsity and maximum delay spread and those imposed by the transmitter (pilots, cyclic prefix, and the finite alphabet constraint). These constraints are used...
- Tags: Constraint, Stanford University, OFDM, Wireless
- White papers
- An Explanation-Based, Visual Debugger for Spreadsheet-Like Constraints
- This paper describes a domain-specific debugger for one-way constraint solvers. The debugger makes use of several new techniques. First, the debugger displays only a portion of the dataflow graph, called a constraint slice, that is directly related to an incorrect variable. This technique helps the debugger scale to a system...
- Tags: Technique, Constraint, Variable, Spreadsheet, Productivity
- White papers
- How do I... Reject alpha characters in a SQL Server character column?
- Enforcing your data's integrity is probably the single most important issue you face when designing a database. Validating user input is one way of keeping bad data from making its way into your analyses and reports. It takes only one piece of bad data to throw everything off. It's...
- Tags: Constraint, ZIP Code, Microsoft SQL Server, Data, Server, Difference, Character, Character Column, CHECK, Databases, Enterprise Software, Software, Data Management, Susan Harkins
- Blog posts 2008-01-25
- 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
- A sample app to monitor performance counters and send alerts
- This blog post is also available as a TechRepublic download, which includes a sample project containing all the code needed to get this utility up and running.There are many instances where you may want to use the information gathered from a performance counter. From memory usage, to ASP.NET page recompilations,...
- Tags: Counter, Monitor, Constraint, Performance, Utility, Value, Zach Smith
- Blog posts 2007-08-09
- 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
- 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
- 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
- Authoring Constraint-Based Tutors in ASPIRE
- This paper presents a project the goal of which is to develop ASPIRE, a complete authoring and deployment environment for constraint-based Intelligent Tutoring Systems ITSs. ASPIRE is based on the previous work on constraint-based tutors and WETAS, the tutoring shell. ASPIRE consists of the authoring server (ASPIRE-Author), which enables domain...
- Tags: Constraint, Servers, Hardware
- White papers 2006-03-17
- Large System Decentralized Detection Performance Under Communication Constraints
- The problem of decentralized detection in a sensor network subjected to a total average power constraint and all nodes sharing a common bandwidth is investigated in this paper. The bandwidth constraint is taken into account by assuming non-orthogonal communication between sensors and the data fusion center via Direct-Sequence Code-Division Multiple-Access...
- Tags: Constraint, Performance, IEEE, Bandwidth Constraint, Performance Management, Human Resources, Workforce Management
- White papers 2005-06-22
- A Cost-Based Model and Effective Heuristic for Repairing Constraints by Value Modification
- Data integrated from multiple sources may contain inconsistencies that violate integrity constraints. The constraint repair problem attempts to find "low cost" changes that, when applied, will cause the constraints to be satisfied. While in most previous work repair cost is stated in terms of tuple insertions and deletions, the authors...
- Tags: Constraint, Association For Computing Machinery, Storage, Productivity, Databases, Hardware, Enterprise Software, Software, Data Management
- White papers 2005-06-16
- 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
- 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
Additional Resources
- An Expressive Constraint Language for Semantic Web Applications
- The semantic web vision is to enable rich machine-processing of web information sources. This paper presents a framework for semantic web applications based on constraint interchange and processing. At the core of the framework is a well-established semantic data model (P/FDM) with an associated expressive constraint language Colan. To allow...
- Tags: Semantic Web Vision, Semantic Web, RDF, Internet
- White papers
- Supporting Collaboration Through Semantic-Based Workflow and Constraint Solving
- This paper describes the efforts to provide a collaborative problem solving architecture driven by semantic-based workflow orchestration and constraint problem solving. These technologies are based on a shared ontology that allows two open systems of very different natures to communicate, perform specialised tasks and achieve common goals. The paper gives...
- Tags: Collaboration, Workflow, Process Improvement, Semantic Web, Groupware, Quality, Business Operations, Internet, Enterprise Software, Software
- White papers
- Hop-by-Hop Congestion Control Over a Wireless Multi-Hop Network
- This paper focuses on congestion control over multihop, wireless networks. In a wireless network, an important constraint that arises is that due to the MAC Media Access Control layer. Many wireless MACs use a time-division strategy for channel access, where, at any point in space, the physical channel can be...
- Tags: MAC, Congestion, Wi-Fi, Wireless
- White papers
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