Journal Papers

Peer-reviewed papers, published in journals.

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Women’s views on consent, counseling and confidentiality in Pmtct: a mixed-methods study in four African countries

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10 months ago
by in ,

Accepted sub­ject to revisions.

Ambi­tious UN goals to reduce the mother-to-child trans­mis­sion of HIV have not been met in much of Sub-Saharan Africa. This paper focuses on the qual­ity of infor­ma­tion pro­vi­sion and coun­sel­ing and dis­clo­sure pat­terns in Burk­ina Faso, Kenya, Malawi and Uganda to iden­tify how ser­vices More >

DBpedia

Mapping queries to the Linking Open Data cloud: A case study using DBpedia

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1 year ago
by in ,

We intro­duce the task of map­ping search engine queries to DBpe­dia, a major link­ing hub in the Link­ing Open Data cloud. We pro­pose and com­pare var­i­ous meth­ods for address­ing this task, using a mix­ture of infor­ma­tion retrieval and machine learn­ing tech­niques. Specif­i­cally, we present a super­vised machine learning-based method to More >

Trade-off between diversity and precision

Result diversification based on query-specific cluster ranking

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1 year ago
by in ,

Result diver­si­fi­ca­tion is a retrieval strat­egy for deal­ing with ambigu­ous or multi-faceted queries by pro­vid­ing doc­u­ments that cover as many facets of the query as pos­si­ble. We pro­pose a result diver­si­fi­ca­tion frame­work based on query-specific clus­ter­ing and clus­ter rank­ing, in which diver­si­fi­ca­tion is restricted to doc­u­ments belong­ing to clus­ters that More >

Traditional Library Card Catalog

Conceptual language models for domain-specific retrieval

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1 year ago
by in ,

Over the years, var­i­ous meta-languages have been used to man­u­ally enrich doc­u­ments with con­cep­tual knowl­edge of some kind. Exam­ples include key­word assign­ment to cita­tions or, more recently, tags to web­sites. In this paper we pro­pose gen­er­a­tive con­cept mod­els as an exten­sion to query mod­el­ing within the lan­guage mod­el­ing frame­work, More >

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