Results 71 to 80 of about 191,311 (338)

Improving automatic query expansion [PDF]

open access: yesProceedings of the 21st annual international ACM SIGIR conference on Research and development in information retrieval, 1998
Most casual users of IR systems type short queries. Recent research has shown that adding new words to these queries via odhoc feedback improves the retrieval effectiveness of such queries. We investigate ways to improve this query expansion process by refining the set of documents used in feedback. We start by using manually formulated Boolean filters
Amit Singhal   +2 more
openaire   +2 more sources

A working model for cytoplasmic assembly of H/ACA snoRNPs

open access: yesFEBS Letters, EarlyView.
Dyskerin is the component of nuclear H/ACA ribonucleoproteins (RNPs) endowed with pseudouridine synthase catalytic activity. Two isoforms of human dyskerin have been characterized: the abundant Iso1, mainly nuclear, and the shorter Iso3, mainly cytoplasmic but occasionally imported into nuclei.
Alberto Angrisani, Maria Furia
wiley   +1 more source

Effect of Expansion and Reformulation of Query on Improved Precision of Retrieval Results

open access: yesInternational Journal of Information Science and Management, 2017
Expansion and reformulation of queries are among the most common strategies employed by users in retrieval of initial results to coordinate them with their needs.
Hoda Shaker   +2 more
doaj  

Enhancing Traceability Link Recovery with Fine-Grained Query Expansion Analysis

open access: yesInformation, 2023
Requirement traceability links are an essential part of requirement management software and are a basic prerequisite for software artifact changes. The manual establishment of requirement traceability links is time-consuming.
Tao Peng   +4 more
doaj   +1 more source

Document expansion for text-based image retrieval at WikipediaMM 2010 [PDF]

open access: yes, 2010
We describe and analyze our participation in the Wikipedi- aMM task at ImageCLEF 2010. Our approach is based on text-based image retrieval using information retrieval techniques on the metadata documents of the images.
Jones, Gareth J.F.   +2 more
core  

Building Confidential and Efficient Query Services in the Cloud with RASP Data Perturbation [PDF]

open access: yes, 2013
With the wide deployment of public cloud computing infrastructures, using clouds to host data query services has become an appealing solution for the advantages on scalability and cost-saving.
Chen, Keke, Guo, Shumin, Xu, Huiqi
core   +1 more source

From lactation to malignancy: A comparison between healthy and cancerous breast gland at single‐cell resolution reveals new issues for tumorigenesis

open access: yesFEBS Letters, EarlyView.
Single‐cell RNA sequencing reveals an opposite role of SLPI in basal tumors based on metastatic spread, along with shared activation of specific regulons in cancer cells and mature luminal lactocytes, as well as downregulation of MALAT1 and NEAT1 in the latter.
Pietro Ancona   +4 more
wiley   +1 more source

Revealing the structure of land plant photosystem II: the journey from negative‐stain EM to cryo‐EM

open access: yesFEBS Letters, EarlyView.
Advances in cryo‐EM have revealed the detailed structure of Photosystem II, a key protein complex driving photosynthesis. This review traces the journey from early low‐resolution images to high‐resolution models, highlighting how these discoveries deepen our understanding of light harvesting and energy conversion in plants.
Roman Kouřil
wiley   +1 more source

Incorporating user search behaviour into relevance feedback [PDF]

open access: yes, 2003
In this paper we present five user experiments on incorporating behavioural information into the relevance feedback process. In particular we concentrate on ranking terms for query expansion and selecting new terms to add to the user's query.
Beaulieu   +27 more
core   +2 more sources

Organoids in pediatric cancer research

open access: yesFEBS Letters, EarlyView.
Organoid technology has revolutionized cancer research, yet its application in pediatric oncology remains limited. Recent advances have enabled the development of pediatric tumor organoids, offering new insights into disease biology, treatment response, and interactions with the tumor microenvironment.
Carla Ríos Arceo, Jarno Drost
wiley   +1 more source

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