Exploiting parallelism in pattern matching: an information retrieval application
ACM Transactions on Information Systems (TOIS)
Static index pruning for information retrieval systems
Proceedings of the 24th annual international ACM SIGIR conference on Research and development in information retrieval
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A novel Hardware Assisted Top-Doc (HAT) component is disclosed. HAT is an optimized content indexing device based on a modified inverted index structure. HAT accommodates patterns of different lengths and supports a varied posting list versus term count feature sustaining high reusability and efficiency. The developed component can be used either as an internal slave component or as an external co-processor and is efficient in resource demands as the component controllers take only a minimal percentage of the target device space leaving the majority of the space to term and posting entries. A Very High Speed Integrated Circuit (VHSIC) Hardware Description Language (VHDL) is used to model the HAT system.