public static void Main()
{
// Create an AlchemyAPI object.
AlchemyAPI.AlchemyAPI alchemyObj = new AlchemyAPI.AlchemyAPI();
AlchemyAPI_KeywordParams keywordParams = new AlchemyAPI_KeywordParams();
AlchemyAPI_EntityParams entityParams = new AlchemyAPI_EntityParams();
// Load an API key from disk.
alchemyObj.LoadAPIKey("api_key.txt");
keywordParams.setMaxRetrieve(1);
keywordParams.setShowSourceText(true);
keywordParams.setSourceText(AlchemyAPI_KeywordParams.SourceTextMode.RAW);
keywordParams.setSentiment(true);
// Extract a ranked list of named entities from a web URL with parameters.
string xml = alchemyObj.URLGetRankedKeywords("http://www.techcrunch.com/", keywordParams);
Console.WriteLine (xml);
// Load a HTML document to analyze.
StreamReader streamReader = new StreamReader("data/example.html");
string htmlDoc = streamReader.ReadToEnd();
streamReader.Close();
entityParams.setMaxRetrieve(3);
entityParams.setDisambiguate(true);
entityParams.setOutputMode(AlchemyAPI_BaseParams.OutputMode.RDF);
entityParams.setSentiment(true);
// Extract a ranked list of named entities from a HTML document with parameters.
xml = alchemyObj.HTMLGetRankedNamedEntities(htmlDoc, "http://www.test.com/", entityParams);
Console.WriteLine (xml);
}
public string TextGetRankedKeywords(string text, AlchemyAPI_KeywordParams parameters)
{
CheckText(text);
parameters.setText(text);
return(POST("TextGetRankedKeywords", "text", parameters));
}
public string URLGetRankedKeywords(string url, AlchemyAPI_KeywordParams parameters)
{
CheckURL(url);
parameters.setUrl(url);
return(GET("URLGetRankedKeywords", "url", parameters));
}
public string HTMLGetRankedKeywords(string html, string url, AlchemyAPI_KeywordParams parameters)
{
CheckHTML(html, url);
parameters.setHtml(html);
parameters.setUrl(url);
return(POST("HTMLGetRankedKeywords", "html", parameters));
}
public void Initialize()
{
alchemyObj = new AlchemyAPI.AlchemyAPI();
alchemyObj.LoadAPIKey("alchemyapikey.txt");
eparams = new AlchemyAPI_EntityParams();
eparams.setMaxRetrieve(250);
kparams = new AlchemyAPI_KeywordParams();
kparams.setMaxRetrieve(250);
cparams = new AlchemyAPI_ConceptParams();
cparams.setMaxRetrieve(250);
}
public static void Main()
{
// Create an AlchemyAPI object.
AlchemyAPI.AlchemyAPI alchemyObj = new AlchemyAPI.AlchemyAPI();
// Load an API key from disk.
alchemyObj.LoadAPIKey("api_key.txt");
// Extract sentiment for a web URL.
string xml = alchemyObj.URLGetTextSentiment("http://www.techcrunch.com/");
Console.WriteLine (xml);
// Extract sentiment from a text string.
xml = alchemyObj.TextGetTextSentiment("Hello there, my name is Bob Jones. I live in the United States of America. Where do you live, Fred?");
Console.WriteLine (xml);
// Load a HTML document to analyze.
StreamReader streamReader = new StreamReader("data/example.html");
string htmlDoc = streamReader.ReadToEnd();
streamReader.Close();
// Extract sentiment from a HTML document.
xml = alchemyObj.HTMLGetTextSentiment(htmlDoc, "http://www.test.com/");
Console.WriteLine (xml);
// Extract named entities with entity-targeted sentiment.
AlchemyAPI_EntityParams entityParams = new AlchemyAPI_EntityParams();
entityParams.setSentiment(true);
xml = alchemyObj.TextGetRankedNamedEntities("Bryan Adams' genius is unsurpassed.", entityParams);
Console.WriteLine (xml);
// Extract keywords with keyword-targeted sentiment.
AlchemyAPI_KeywordParams keywordParams = new AlchemyAPI_KeywordParams();
keywordParams.setSentiment(true);
xml = alchemyObj.TextGetRankedKeywords("Bryan Adams' genius is unsurpassed.", keywordParams);
Console.WriteLine (xml);
// Extract Targeted Sentiment
AlchemyAPI_TargetedSentimentParams sentimentParams = new AlchemyAPI_TargetedSentimentParams();
sentimentParams.setShowSourceText(true);
xml = alchemyObj.TextGetTargetedSentiment("This car is terrible.", "car", sentimentParams);
Console.WriteLine(xml);
xml = alchemyObj.URLGetTargetedSentiment("http://techcrunch.com/2012/03/01/keen-on-anand-rajaraman-how-walmart-wants-to-leapfrog-over-amazon-tctv/", "Walmart",sentimentParams);
Console.WriteLine(xml);
xml = alchemyObj.HTMLGetTargetedSentiment(htmlDoc, "http://www.test.com/", "WujWuj", sentimentParams);
Console.WriteLine(xml);
}
public string URLGetRankedKeywords(string url, AlchemyAPI_KeywordParams parameters)
{
CheckURL(url);
parameters.setUrl(url);
return GET("URLGetRankedKeywords", "url", parameters);
}
public string TextGetRankedKeywords(string text, AlchemyAPI_KeywordParams parameters)
{
CheckText(text);
parameters.setText(text);
return POST("TextGetRankedKeywords", "text", parameters);
}
public string HTMLGetRankedKeywords(string html, string url, AlchemyAPI_KeywordParams parameters)
{
CheckHTML(html, url);
parameters.setHtml(html);
parameters.setUrl(url);
return POST("HTMLGetRankedKeywords", "html", parameters);
}
public string URLGetRankedKeywords(string url)
{
CheckURL(url);
AlchemyAPI_KeywordParams keywordParams = new AlchemyAPI_KeywordParams();
keywordParams.setSentiment(true);
return URLGetRankedKeywords(url, keywordParams);
}
public string TextGetRankedKeywords(string text)
{
CheckText(text);
AlchemyAPI_KeywordParams keywordParams = new AlchemyAPI_KeywordParams();
keywordParams.setSentiment(true);
return TextGetRankedKeywords(text, keywordParams);
}
protected DataSet GetKeywords(string url)
{
DataSet dsKeywords = new DataSet();
#if TEST
// Using previously captured dataset
dsKeywords.ReadXml("alchemyKeywordsTestResponse.xml");
#else
if (!Cached("Keyword", url, ref dsKeywords))
{
AlchemyAPI_KeywordParams eparams = new AlchemyAPI_KeywordParams();
eparams.setMaxRetrieve(250);
string xml = alchemyObj.URLGetRankedKeywords(url);
TextReader tr = new StringReader(xml);
XmlReader xr = XmlReader.Create(tr);
dsKeywords.ReadXml(xr);
xr.Close();
tr.Close();
Cache("Keyword", url, dsKeywords);
}
#endif
return dsKeywords;
}
