Proceedings of the 35th International ACM SIGIR Conference on Research and Development in Information Retrieval 2012
DOI: 10.1145/2348283.2348304
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Combining inverted indices and structured search for ad-hoc object retrieval

Abstract: Retrieving semi-structured entities to answer keyword queries is an increasingly important feature of many modern Web applications. The fast-growing Linked Open Data (LOD) movement makes it possible to crawl and index very large amounts of structured data describing hundreds of millions of entities. However, entity retrieval approaches have yet to find efficient and effective ways of ranking and navigating through those large data sets. In this paper, we address the problem of Ad-hoc Object Retrieval over larg… Show more

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Cited by 62 publications
(79 citation statements)
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“…Therefore, we consider interlingual semantic links to connect documents from different languages. For choosing semantic links, we consider the statistics Tonon and colleagues [46] provided on different link types. They rank all properties by their observed likelihood of leading to relevant entities.…”
Section: Semantic Linksmentioning
confidence: 99%
See 1 more Smart Citation
“…Therefore, we consider interlingual semantic links to connect documents from different languages. For choosing semantic links, we consider the statistics Tonon and colleagues [46] provided on different link types. They rank all properties by their observed likelihood of leading to relevant entities.…”
Section: Semantic Linksmentioning
confidence: 99%
“…However, links like sameAs are more promising. It leads to better precision as they refer to the same or similar real-world entity [46].…”
Section: Semantic Linksmentioning
confidence: 99%
“…Our results indicate that, similarly to the case of a wide range of NLP and IR applications [22] further gains can be obtained by complementing knowledge from text with that from structured knowledge bases like Wikipedia and DBpedia. Knowledge of this kind has been recently exploited also within a feature-based approach to INEX entity ranking [35] and a hybrid approach that combines IR and structured search for Ad-hoc Object Retrieval (AOR) [38].…”
Section: Related Workmentioning
confidence: 99%
“…Further extension of the inverted index has been proposed in recent works. For example in [109], the authors propose to enrich the posting list with incoming hyperlinks for improving retrieval efficiency, while [167,17] propose extension of the basic inverted index to support semantic search.…”
Section: Indexing (Ind)mentioning
confidence: 99%