Search result diversification is one of the key techniques to cope with the ambiguous and/or underspecified information needs of the web users. In the last few years, strategies that are based on the explicit knowledge of query aspects emerged as highly effective ways of diversifying the search results. Our contributions in this work are two-fold. First, we extensively evaluate the performance ...

As the cornerstone of operation listed companies, enterprise strategy has attracted more and attention. Diversification is a company level that many companies choose to adopt. However, diversification advantages disadvantages. How prevent risks from worthy our study. Therefore, this paper selects Yunnan Baiyao as case company, specifically discusses its strategy, puts forward adjustment suggest...

We have a limited understanding of why different venture capital (VC) funds follow substantially different portfolio strategies and how these choices affect VC performance. We investigate this question by combining and extending the real options and knowledge spillover views of strategic entrepreneurship. In this approach, specialization by a VC fund implies a call option with liquidation value...

This paper features an analysis of the effectiveness of a range of portfolio diversification strategies, with a focus on down-side risk metrics, as a portfolio diversification strategy in a European market context. We apply these measures to a set of daily arithmetically-compounded returns, in U.S. dollar terms, on a set of ten market indices representing the major European markets for a nine-y...

The total synthesis of paracaseolide A, a valuable cell-cycle progression inhibitor, was accomplished in 8 steps from known compounds, with 6.6% overall yield. The synthetic strategy creates strong potential for diversification.

Abstract In the past few years, diversification has turned into a highly controversial issue amongst numerous managers in almost each and every business. It is contended by many that diversification is vitally important and highly effective especially when it comes to evaluating the financial performance. There are several studies about the relationship between diversification and financial per...

Different lineages of organisms diversify over time at different rates, in part as a consequence of the characteristics of the species in these lineages. Certain suites of traits possessed by species within a clade may determine rates of diversification, with some particular combinations of characters acting synergistically to either limit or promote diversification; the most successful combina...

Periodic randomization of a computer program’s binary code is an attractive technique for defending against several classes of advanced threats. In this paper we describe a model of attacker-defender interaction in which the defender employs such a technique against an attacker who is actively constructing an exploit using Return Oriented Programming (ROP). In order to successfully build a work...

The purpose of the paper is to examine the relationship between technological diversification and internationalisation of technology for large multinational firms, operating at the world technological frontier. More precisely we address the question as to whether internationalisation determines diversification. The analysis is based on a rich database of the European patenting activity of 345 l...

Funds of Funds (FoF) are particular investment funds that invest resources in some mutual funds. This type of funds offers the possibility to achieve an higher diversification that an investor can’t realize using other instruments. One of the main differences among FoFs available is the strategy adopted by the manager to select the investment funds to include in the portfolio and the number of ...