Search Results - "Naughton, J.F."

Evaluation of two-dimensional ultrasonography and computed tomography in the mapping and measuring of canine urinary bladder tumors by Honkisz, S.I., Naughton, J.F., Weng, H.Y., Fourez, L.M., Knapp, D.W.

“…•Sizing of urinary bladder cancer lesions in dogs over time helps to assess the effectiveness of treatments.•A standardized two-dimensional ultrasonography…”
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Schema Matching Using Interattribute Dependencies by Jaewoo Kang, Naughton, J.F.

“…Schema matching is one of the key challenges in information integration. It is a labor-intensive and time-consuming process. To alleviate the problem, many…”
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Locking protocols for materialized aggregate join views by Luo, G., Naughton, J.F., Ellmann, C.J., Watzke, M.W.

“…The maintenance of materialized aggregate join views is a well-studied problem. However, to date the published literature has largely ignored the issue of…”
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Canine intracranial gliomas: Relationship between magnetic resonance imaging criteria and tumor type and grade by Bentley, R.T., Ober, C.P., Anderson, K.L., Feeney, D.A., Naughton, J.F., Ohlfest, J.R., O’Sullivan, M.G., Miller, M.A., Constable, P.D., Pluhar, G.E.

“…Limited information is available to assist in the ante-mortem prediction of tumor type and grade for dogs with primary brain tumors. The objective of the…”
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Evaluating window joins over unbounded streams by Kang, J., Naughton, J.F., Viglas, S.D.

“…We investigate algorithms for evaluating sliding window joins over pairs of unbounded streams. We introduce a unit-time-basis cost model to analyze the…”
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End-biased Samples for Join Cardinality Estimation by Estan, C., Naughton, J.F.

“…We present a new technique for using samples to estimate join cardinalities. This technique, which we term "end-biased samples," is inspired by recent work in…”
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Extending RDBMSs To Support Sparse Datasets Using An Interpreted Attribute Storage Format by Beckmann, J.L., Halverson, A., Krishnamurthy, R., Naughton, J.F.

“…"Sparse" data, in which relations have many attributes that are null for most tuples, presents a challenge for relational database management systems. If one…”
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Database Support for Weighted Match Joins by Kini, A., Naughton, J.F.

“…As relational database management systems are applied to non-traditional domains such as scientific data management, there is an increasing need to support…”
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Radiographic diagnosis-paraspinal abscess in a dog by Naughton, J.F, Tucker, R.L, Bagley, R.S

“…A two‐year‐old intact male Brittany Spaniel was admitted for evaluation of progressive spinal pain. Previous treatment had been initiated for suspected…”
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K-Anonymization as Spatial Indexing: Toward Scalable and Incremental Anonymization by Iwuchukwu, T., DeWitt, D.J., Doan, A., Naughton, J.F.

“…In this paper, we introduce a novel approach to k-anonymization by making a new observation of a strikingly similar parallel between database indexing and…”
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Low-latency, concurrent checkpointing for parallel programs by Kai Li, Naughton, J.F., Plank, J.S.

“…Presents the results of an implementation of several algorithms for checkpointing and restarting parallel programs on shared-memory multiprocessors. The…”
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Increasing the accuracy and coverage of SQL progress indicators by Gang Luo, Naughton, J.F., Ellmann, C.J., Watzke, M.W.

“…Recently, progress indicators have been proposed for long-running SQL queries in RDBMSs. Although the proposed techniques work well for a subset of SQL…”
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Query Size Estimation by Adaptive Sampling by Lipton, R.J., Naughton, J.F.

“…We present an adaptive, random sampling algorithm for estimating the size of general queries. The algorithm can be used for any query D over a database D such…”
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XML views as integrity constraints and their use in query translation by Krishnamurthy, R., Kaushik, R., Naughton, J.F.

“…The SQL queries produced in XML-to-SQL query translation are often unnecessarily complex, even for simple input XML queries. In this paper we argue that…”
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Design and evaluation of alternative selection placement strategies in optimizing continuous queries by Jianjun Chen, DeWitt, D.J., Naughton, J.F.

“…We design and evaluate alternative selection placement strategies for optimizing a very large number of continuous queries in an Internet environment. Two…”
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On the integration of structure indexes and inverted lists by Raghav Kaushik, Rajasekar Krishnamurthy, Naughton, J.F., Raghu Ramakrishnan

“…Recently, there has been a great deal of interest in the development of techniques to evaluate path expressions over collections of XML documents. In general,…”
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A non-blocking parallel spatial join algorithm by Gang Luo, Naughton, J.F., Ellmann, C.J.

“…Interest in incremental and adaptive query processing has led to the investigation of equijoin evaluation algorithms that are non-blocking. This investigation…”
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Accurate estimation of the cost of spatial selections by Aboulnaga, A., Naughton, J.F.

“…Optimizing queries that involve operations on spatial data requires estimating the selectivity and cost of these operations. In this paper, we focus on…”
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On the Expected Size of Recursive Datalog Queries by Seshadri, S., Naughton, J.F.

“…We present asymptotically exact expressions for the expected sizes of relations defined by three well-studied Datalog recursions, namely the "transitive…”
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Argument reduction by factoring by Naughton, J.F., Ramakrishnana, R., Sagiv, Y., Ullman, J.D.

“…We identify a useful property of a program with respect to a predicate, calledfactoring. While we prove that detecting factorability is undecidable in general,…”
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