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This paper describes the Spyglass tool, which is designed to help analysts explore very large collections of unstructured text documents. Spyglass uses a domain ontology to index documents, and provides retrieval and visualization services based on the ontology and the resulting index. The ontol-ogy based approach allows analysts to share information and(More)
This paper explores whether the addition of costly, imperfect , and exploitable advisors to Berg's investment game enhances or detracts from investor performance in both one-shot and multi-round interactions. We then leverage our findings to develop an automated investor agent that performs as well as or better than humans in these games. To gather this(More)
—This work provides a game theoretic framework through which one can study the different trust and mitigation strategies a decision maker can employ when soliciting advice or input from a potentially self-interested third-party. The framework supports a single decision maker's interacting with an arbitrary number of either honest or malicious (and malicious(More)
Sociological surveys have been a key instrument in understanding social phenomena, but do the introduction and popularity of social media threaten to usurp the survey's place? The significant amount of data one can capture from social media sites like Twitter make such sources appealing. Limited work has tried to triangulate these sources pragmatically for(More)