https://github.com/downgoon/adindex4j

a java implementation of ad retrival algorithm proposed in Indexing Boolean Expressions-Ⅱ.pdf
https://github.com/downgoon/adindex4j

adserver bool-expression

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a java implementation of ad retrival algorithm proposed in Indexing Boolean Expressions-Ⅱ.pdf

• Host: GitHub
• URL: https://github.com/downgoon/adindex4j
• Owner: downgoon
• Created: 2018-03-01T09:01:18.000Z (almost 7 years ago)
• Default Branch: master
• Last Pushed: 2018-03-27T15:47:21.000Z (over 6 years ago)
• Last Synced: 2024-10-10T20:54:16.171Z (2 months ago)
• Topics: adserver, bool-expression
• Language: Java
• Size: 38.1 KB
• Stars: 11
• Watchers: 0
• Forks: 2
• Open Issues: 1
• Metadata Files:
  • Readme: README.md

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README

        
# adindex4j

a java implementation of ad retrival algorithm proposed in [Indexing Boolean Expressions-Ⅱ.pdf](http://opbs7gfa4.bkt.clouddn.com/paper/Indexing%20Boolean%20Expressions-%E2%85%A1.pdf)

## QuickStart

- **Requirement**: ``Java8``

- **Maven Dependency**

``` xml

  com.downgoon

  adindex4j

  ${version}

```

the lastest release version can be found here [g:"com.downgoon" a:"adindex4j"](http://search.maven.org/#search%7Cga%7C1%7Cg%3A%22com.downgoon%22%20a%3A%22adindex4j%22)

- **Sample Code**

``` java

// 5 ad documents targeting several attributes

AdRetrival adRetrival = new BEScaner();

// notation form targeting: 1, "location=北京^gender=男"

adRetrival.appendDocument(1, "location=北京^gender=男");

// java-object form targeting: 2, "location=上海^gender=女"

adRetrival.appendDocument(new Document(2,

    new DNF( //

        new Conjunction( //

            new Assignment("location", Predicate.INCLUSIVE, "上海"), //

            new Assignment("gender", Predicate.INCLUSIVE, "女") //

        ) //

    )));

// a DNF with multiple conjunctions

adRetrival.appendDocument(3, "(location=北京|上海^gender=男) | (location=深圳^gender=女)");

adRetrival.appendDocument(4, "location!=北京|上海");

// query

String query = "location=北京^gender=男";

// results: [1, 3]

Set docIds = adRetrival.retrieveDocuments(query);

LOG.info("query: {}, results: {}", query, docIds);

```