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C.CN | Conference series name | String | Equals, StartsWith
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CC | Citation count | Int32 | None
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CitCon | Citation contexts</br></br>List of referenced paper ID’s and the corresponding context in the paper (e.g. [{123:["brown foxes are known for jumping as referenced in paper 123", "the lazy dogs are a historical misnomer as shown in paper 123"]}) | Custom | None
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D | Date published in YYYY-MM-DD format | Date | Equals, IsBetween
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E | Extended metadata (see table below) | String | N/A
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DN | Original paper title | String | None
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DOI | Digital Object Identifier | String | Equals, StartsWith
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E | Extended metadata</br></br>**IMPORTANT**: This attribute has been deprecated and is only supported for legacy applications. Requesting this attribute individually (i.e. attributes=Id,Ti,E) will result in all extended metadata attributes being returned in a *serialized JSON string*</br></br>All attributes contained in the extended metadata are now available as a top-level attribute and can be requested as such (i.e. attributes=Id,Ti,DOI,IA) | [Extended](#extended) | None
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ECC | Estimated citation count | Int32 | None
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F.DFN | Original field of study name | String | None
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F.FId | Field of study ID | Int64 | Equals
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F.FN | Normalized field of study name | String | Equals, StartsWith
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FP | First page of paper in publication | String | Equals
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I | Publication issue | String | Equals
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IA | Inverted abstract | [InvertedAbstract](#invertedabstract) | None
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Id | Paper ID | Int64 | Equals
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J.JId | Journal ID | Int64 | Equals
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J.JN | Journal name | String | Equals, StartsWith
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LP | Last page of paper in publication | String | Equals
RId | List of referenced paper IDs | Int64[] | Equals
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S | List of source URLs of the paper, sorted by relevance | [Source](#source)[] | None
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Ti | Normalized title | String | Equals, StartsWith
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V | Publication volume | String | Equals
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VFN | Full name of the Journal or Conference venue | String | None
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VSN | Short name of the Journal or Conference venue | String | None
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W | Unique words in title | String[] | Equals
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Y | Year published | Int32 | Equals, IsBetween
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## Extended Metadata Attributes ##
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## Extended
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> [!IMPORTANT]
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> This attribute has been deprecated and is only supported for legacy applications. Requesting this attribute individually (i.e. attributes=Id,Ti,E) will result in all extended metadata attributes being returned in a *serialized JSON string*</br></br>All attributes contained in the extended metadata are now available as a top-level attribute and can be requested as such (i.e. attributes=Id,Ti,DOI,IA)
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> [!IMPORTANT]
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> Support for requesting individual extended attributes by using the "E." scope, i.e. "E.DN" is being deprecated. While this is still technically supported, requesting individual extended attributes using the "E." scope will result in the attribute value being returned in two places in the JSON response, as part of the "E" object and as a top level attribute.
CC | Citation contexts</br></br>List of referenced paper ID’s and the corresponding context in the paper (e.g. [{123:["brown foxes are known for jumping as referenced in paper 123", "the lazy dogs are a historical misnomer as shown in paper 123"]}) | Custom | None
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DN | Original paper title | String | None
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DOI | Digital Object Identifier | String | None
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FP | First page of paper in publication | String | None
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I | Publication issue | String | None
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IA | Inverted Abstract | [InvertedAbstract](#invertedabstract) | None
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LP | Last page of paper in publication | String | None
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PB | Publisher | String | None
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S | List of source URLs of the paper, sorted by relevance | [Source](#source)[] | None
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V | Publication volume | String | None
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VFN | Full name of the Journal or Conference venue | String | None
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VSN | Short name of the Journal or Conference venue | String | None
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## InvertedAbstract
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> [!IMPORTANT]
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> InvertedAbstract attributes cannot be directly requested as a return attribute. If you need an individual attribute you must request the top level "IA" attribute, i.e. to get IA.IndexLength request attributes=IA
CC | Citation Contexts – List of referenced paper ID’s and the corresponding context in the paper (e.g. [{123:["brown foxes are known for jumping as referenced in paper 123", "the lazy dogs are a historical misnomer as shown in paper 123"]})
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DN | Original paper title
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DOI | Digital Object Identifier
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FP | First page of paper in publication
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I | Publication issue
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IA | Inverted Abstract
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IA.IndexLength | Number of items in the index (abstract's word count)
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IA.InvertedIndex | List of abstract words and their corresponding position in the original abstract (e.g. [{"the":[0, 15, 30]}, {"brown":[1]}, {"fox":[2]}])
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LP | Last page of paper in publication
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PB | Publisher
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S | Sources - list of web sources of the paper, sorted by static rank
VFN | Full name of the Journal or Conference venue
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VSN | Short name of the Journal or Conference venue
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Name | Description | Type | Operations
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--- | --- | --- | ---
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IndexLength | Number of items in the index (abstract's word count) | Int32 | None
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InvertedIndex | List of abstract words and their corresponding position in the original abstract (e.g. [{"the":[0, 15, 30]}, {"brown":[1]}, {"fox":[2]}]) | Custom | None
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## Source
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> [!IMPORTANT]
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> Source attributes cannot be directly requested as a return attribute. If you need an individual attribute you must request the top level "S" attribute, i.e. to get S.U request attributes=S
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Name | Description | Type | Operations
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--- | --- | --- | ---
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Ty | Source URL type (1:HTML, 2:Text, 3:PDF, 4:DOC, 5:PPT, 6:XLS, 7:PS) | String | None
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