During the life-cycle of a construction project, most contractors routinely predict in some fashion the project’s final job costs to determine whether it will be in a profit or loss position at completion. If these predictions are frequent, accurate and timely, the contractor can also often identify job problems, take appropriate action and mitigate or eliminate potential economic loss while the project is underway. Armed with this information, a contractor can make critical business decisions more confidently.
- andrea hammer
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- andrea hammer
WordNet® is a large lexical database of English, developed under the direction of George A. Miller (Emeritus). Nouns, verbs, adjectives and adverbs are grouped into sets of cognitive synonyms (synsets), each expressing a distinct concept. Synsets are interlinked by means of conceptual-semantic and lexical relations. The resulting network of meaningfully related words and concepts can be navigated with the browser. WordNet is also freely and publicly available for download. WordNet's structure makes it a useful tool for computational linguistics and natural language processing.
- andrea hammer
The WWW is a wonderful place. Here are hundreds of the glossaries and dictionaries I have found during my web wanderings. Send me an e-mail if one of the links should no longer be working, or if you have found an interesting glossary you would like to share.
- andrea hammer
Onelook - a "meta-dictionary", which returns results from multiple online dictionaries. Good for comparing different definitions from different dictionaries.
- andrea hammer
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- andrea hammer
Construct validity is about the question, how we know that we're measuring the attribute that we think we're measuring? This is discussed in formal, theoretical ways in the computing literature (in terms of the representational theory of measurement) but rarely in simpler ways that foster application by practitioners. Construct validity starts with a thorough analysis of the construct, the attribute we are attempting to measure. In the IEEE Standard 1061, direct measures need not be validated. "Direct" measurement of an attribute involves a metric that depends only on the value of the attribute, but few or no software engineering attributes or tasks are so simple that measures of them can be direct. Thus, all metrics should be validated. The paper continues with a framework for evaluating proposed metrics, and applies it to two uses of bug counts. Bug counts capture only a small part of the meaning of the attributes they are being used to measure.
- andrea hammer